2 meter 440 diplexer. 7inch Fiberglass Outdoor Base Antenna with SO239 .
2 meter 440 diplexer (If no 6m TX available adddjust on 10m band) Adjust C7 and C8 to obtain SWR 1. 19 votes, 44 comments. There won't be a port that will work with the scanner. A diplexer allows two transmitters on different frequencies to use one antenna, and is common in installations where one repeater on 2 m and a second on 440 MHz share one feedline up the tower and one antenna. . Austin MODEL 500C3B So I bought a Yaesu FT-991 with an ATAS 120a thinking that I was set for everything. High, 100 Watt, Each. It can be used to split one multi-band radio in to multiple band specific antennas or combine multiple band specific antennas into one antenna. Which for me will be important for me. Check each product page for other buying options. 5dB Maximum Power (Watts) 1. 100 Watts and a Wire explores the intersection of life and amateur radio. Model BP Split Boom longest part is less than 22 inches long. 2. So, GP 52 - 6 meter: Contact Us: Order Form- for mail-in orders. 4/3. 2 or better. So I guess I'll add a Larsen NMO2/70B to the list. 25 meter and 70 centimeter ports. The resource has been on our site since Thursday Jul 10 2008, and it has been viewed 13144 times. 1 of 2 Go to page. Austin Suburban 203500 by Austin Antenna Amateur Multiband 144-2 Meter 220 and 440 Bands and SO-239 Base Station Antenna $ Currency € Euro £ Pound Sterling $ US Dollar; 781 294-4992 2-5 EST 204320 Austin Antenna Diplexer Amateur 144/440 Mhz w/N Connectors . Now adjust C1, C2, and C3 to obtain 2-meter GE Mastr II repeater with the service panel lowered and receiver / exciter cover removed. In this article, we will discuss the 2 meter amateur radio band, 2 meter ham radio frequencies, and its characteristics. Some generic examples: 1) Separate 2m and 440 MHz radios feed a single dual band antenna (using a diplexer), or 2) a Amateur 2-meter repeaters have a separation of only 0. 25m duplexers, click HERE. Let us know if this is your intent or not. Adjust C4, C5, and C6 to obtain SWR 1. Duplexer Designators: Band Pass – Pass Cavity – Band Pass-Reject – Trunking. Here’s a small 2m / 70cm diplexer that is good for up to 10W of power, perfect for working satellites with a HT. Earlier report from 2016: I replaced my old 2 meter Ringo Ranger with this antenna this Spring. S. 4 dBi, 3/8 x 24 Base, 51 in. 16. When operating, the internal meter peaks at 100 watts on HF however, I only If you use a diplexer you may use I'm wondering if you can use a tee, like in the attached image, an split it to 2 separate antennas, tuned for 144 and 440. Special for Radio Clubs etc. Â There is no reason for the 6 meter and the 144/440 to be in phase, so the length of coax between the Cushcraft and the 6 meter is of no consequence. They’re well known to repeater owners and I doubt that you will find a diplexer listed in the ham catalogs. I was looking to build an easy to breakdown 2 meter antenna for an event I was helping with. Options and Accessories: Please scroll down to view related items. After some googling for existing schematics I came across the micro-diplexer by kw4fb, which has some really nice component values allowing it to be build from SMD components without winding your own inductors. I am pretty happy with it. 1 to 147. 6 MB PDF file from Shively Labs. 7 dB loss at 440. 5/1 watt output on 2M/440. 25 Meter (220MHz), 70cm (440 MHz) Analog Radio with Tri-Band Antenna Ship from US only: Two-Way Radios - Amazon. Estimated Alinco DR-CS10TH 2 Meter FM Compact Mobile Transceivers DR-CS10HT Transceiver, DR-CS10 2M FM Would it be feasible to set up a SSB or AM 2 meter repeater? Skyler 440 Skyler 440. My baseline reading is an S2. about 1. While exploring the DR-735T, I noted that it had two external speaker jacks. us. 4 percent, or 600 kHz. HOME FLEX - 1/2 IPS Poly DR MIP Underground Meter Riser Bent - this product is as easy to use as it is versatile. Order Comet Duplexers from DX Engineering! Free Shipping - Comet Duplexers with qualifying orders of $99. 9 -1. You won't find it in our categories until it's working The title of the main category is Duplexers and it deals mainly with Duplexer and diplexer. MFJ HF/6M/VHF/UHF Duplexers. Note: I currently run a tram 1480 dual band antenna. 5mm Speaker Plug & 2 Meter Long CableSP-35. Options and Accessories: Please What is the BEST 2 meter/440 antenna? Looking for high DBI, low swr, etc. 00 so deals can be had. com W7LPN 2m/440 vertical dipole. 20dB 0. But that is what we had 2. From everything I've heard, the Comet and Diamond antennas On 440, the situation is reversed and the shorter wire is a better match, more accepting of the RF, so it does the work and the longer wire takes a break. G. Yes, diplexer will work both ways. 7/3. Receiver audio output: 2. It was near flat across 440 as well. 400 Mhz 440 Simplex 445. 95 INCLUDE IC-MBF1. Motorola SLR5700 UHF Repeater 50watt 400-470MHZ- -TESTED WITH DUPLEXER GMRS GMRS. FM Combining Systems 1. 4. Lossy but would work. 15dB 0. 0 Meter Receive Only Antenna; 2M/440 SWR Meter Advice Thread starter cockpitbob; Start date Mar 3, 2010; cockpitbob. Connect 50 Ohm dummyload to plug 0 - 440 MHZ . The duplexer has a sharp narrow notch to filter one frequency, a diplexer allows to reject or pass a wider bandwidth, this is what you want. The BCD-440 is the best mobile style duplexer on the market, You'll rest easy knowing you have a quality built duplexer handling your repeater needs. Outdoor varnish, paint or deck stain will work to weatherproof the antenna. Usually, this is about choosing a suitable simplex frequency, because the repeater frequencies are already coordinated and visible. So most likely nobody would see the difference. So this diplexer separates the two levels of signal. com. Sinclair - 406-440 MHz Duplexer Freq. Datasheets: Cavity Duplexers UHF Cavity Duplexers SWR on my present car (2023 Mazda3) is 1. HF External Noise Reduction. } Since that comment, I have reviewed the antenna on the 440 (70cm band) see below! Update! 09-27-2012 440 band performance. 495 Mhz 440 Simplex 446. With a dual band radio you can use one piece of coax to RX from two different antennas and they don't interfere with each other. When you TX, the 440 is sent to the 440 antenna the same with the 2m. (Duplexer & Cables included with 10W The title of the main category is Duplexers and it deals mainly with Duplexer and diplexer. Videos It would even be possible to build a HF/VHF/UHF triplexer, or a 2/440 diplexer as well using the same process, but with a different frequencies used for the crossover With this diplexer, you can connect a 2m 144-146 MHz and 70cm 430-440 MHz transmitter to a single dualband antenna, or a dualband transmitter to two seperate antennas. 5 dB. This 8. I use it with an Anysecu WP-9900 dual band radio that fits in a cup holder bracket. But when I was a Novice, before FM and repeaters, I worked two meter AM; just straight forward calling CQ and making contact. It has worked for a contact Use an HF, 2 Meter or 440 MHz antenna with a separate HF, 2 Meter or 440 MHz transceiver without a built-in duplexer. 7inch Fiberglass Outdoor Base Antenna with SO239 CB Coax Cable, UHF PL259 Male to Male Cable 50 Ohm Coax Low Loss for HF VHF CB Radio, Ham Radio, SWR Meter, Power Rating: 85 Watts 2 Meter Band; 50 Watts 440 Band [Duty Cycle at max. 00 – $ 34. I inferred that you wanted to operate SSB while mobile. Unfortunately, the antenna model in the above file is constructed and optimized in free space, not relative to ground and not with an obvious selection for wire diameter. I have commercial radios for gmrs and ham. Find VHF/UHF Base Vertical Antennas 2 meters Band Coverage and get Free Shipping on Most Orders Over Type N Female, Dual-Band, 144-148 and 440-450MHz, 200W SSB/100W FM, Fiberglass, 18. There will be a tiny bit of loss doing this but it will go unnoticed and Buy TYT TH-350 Tri-Band Radio 2 Meter, 1. Mount Side close up. Like others have said, 2 meter will have so so workability and 440 will really shine. 5 dB; Rx isolation at Tx frequency: >80 dB Tx Noise Suppression at TX Ant Port >80 dB; Ideal for full duplex and repeaters (50 W maximum); Temperature compensation helical resonators A dual band 2 meter/440 MHz rig, a 220 MHz and a scanner radio in my new aluminum body F-150 pickup truck. I didn't expect much because it was advertised as a 2m J-Pole. Likewise, the 2-element array uses two 50Ω antennas fed from one 50Ω feedline. , Software Antenna, Software Defined Radio, Swr Meter, System of grounding, Theory, Traps, Tower Alinco DR-CS10TH 2 Meter FM Compact Mobile Transceivers DR-CS10HT Transceiver, DR-CS10 2M FM Compact Mobile, 60W, 200 Channels, 12. The BNC A Homecrafted Duplexer for the 70 Centimeter Band W. 5 Meter Prime Focus Antenna; 6. So far best i have found is really good on ham and 2. Using a Diplexer (Duplexer) as a 2-meter LPF. I am pretty happy What I learned: big is better? On reflection, commercial cavity resonators seem to be a major compromise between size in particular. A. Part Number: CMA-GP-9N. 0. 3dB 200W PEP. Notch (reject) type. This super efficient VHF / UHF antenna provides a OMNI directional 3 to 9 db gain depending on position and is usable in 4 positions. (2 meter/440) vertical ground plane antenna that may end up as your primary antenna for dual band operation or for emergency use. Parts Catalog: Open Stub J-Poles Photos of the OSJ 146/440. *All prices are after coupons, discounts, and rebates. If your antenna installation is permanent, you may want to solder and weatherproof the coax junctions to minimize losses. VHF Hand Held Radios; UHF Hand Held Radios; GMRS Hand Held Radios; Police Scanners/Receivers; Dual Band Hand Helds; Triplexer Band Pass 1. It didn't work, at least not well. Easy project. Box 2534 Evans, GA 30809 United States of America Tel: 706-250-0126 This would give you HF, 6, 2m and 440 all mode. Price: $399. Fast Delivery Free consulting Secure payment . DocumentationLoading Estimated Ship Date: Today. Superior Omni 2m / 70cm diplexer. I found out in the general section here that I would need another antenna for 2 meter and 440. Power: 1 minute transmit limit in a 2 How to get a cheap-squeaky clean signal, a 2 meter duplexer designed by Leonard WB3AYW Connect a power meter (SWR meter, directional watt meter or RF volt meter) to the 434 MHz terminal, and a 50 ohms dummy load to the 2 m terminal. Let’s Make a Cavity • Home-brew 2M aluminum cavity • Example for the entire book • The best way to learn 3. bands in one single antenna, one connector) and the diplexer inside the radio separates the signals based on the frequency (none switching involved), while you receive and transmit at Buy GRA-D220 144/440/900/1200MHz Mini Discone Antenna, 2 Meter/70cm/33cm/25cm Multiband Wideband Mobile Scanner Antenna, 38. Please contact us if you cannot find an off-the-shelf duplexer that meets all of your requirements. Note . On 2 meters, the driven element is ~1/2 $\lambda$ long and on 70 cm Limit 2 per customer. I often get asked questions about the band plan for 2 meters (144 to 148 MHz). American Radio Supply, LLC P. a little more wind load and another diplexer at the antennas, The 2 in-line Gamma Matches (shown below) are pre-assembled & pre-tuned. Part Number: ALO-DR-735T. From all the research I’ve done I need two radios, Meta Discuss the workings and policies of this site So, to Comet Duplexers. With this diplexer, you can connect a 2m (144-146 MHz) and 70cm (430-440 MHz) transmitter to a single dualband antenna, or a dualband transmitter to two seperate antennas. Depends on the diplexer/triplexer, but losses are usually in the 0. 10 Meter Amateur Radios; VHF Mobile Radios; UHF Mobile Radios; Dual Band Mobile Radios; Amphenol Procom DPF 2/6-150H-2/4. A diplexer will allow you to use two single band antennas with one piece of coax. 2db attenuation. Cavities • Mechanical and electrical properties of cavities • Basic structure of a duplexer • Why use cavities • Getting energy in and out: loops, probes, taps and ports • Three cavity types: Bp, Br, Bp/Br Last week I ordered the Arrow II 146/437-10WBP handheld 2 meter/440 Mhz yagi antenna directly from Arrow Antennas. I found out in the general section here that I would need another antenna for 2 Great question I receive is how to split the signal from the antenna for two or more radios to use. Diamond Antenna X2200A 2M/1. This is for antenna work, so power Comet Duplexers. Connect SWR meter between 0 - 52 MHZ plug and TX (51 Mc carrier low power). Gain & Wavelength(s) 2M: 3. HRO Important External Mobile Speaker - 5 Watts - with 3. Shop VHF/UHF Mobile Vertical Antennas at DX Engineering. 3dB range. 7) on the low end of 6 meters (after tuning), 2 meters and 440 MHz. V/UHF & Scanner Antennas. $2,845. The bug referred to above (in version 2. Or use two dual band antennas with a dual band transceiver with I started searching online, however no one that I've found makes such a triplexer - the best off the shelf solution I can do is 2 diplexers; one VHF/UHF and 6m/HF diplexer with a The tri-plexer will give you the common antenna input and give you 2 meter, 1. 5 out of 5 stars. 51/10. A duplexer works on a single band, it's what we use on a repeater for example. 2. Isolation: 50dB. Coax connectors and tees are used to aid in a faster setup. You said you wanted a mobile transceiver for 2 meter SSB. Antenna diplexer outputs at the sum ports, termination at the isolated/difference ports, and radios at the other two ports. 5″ Connector: SO-239 Construction: Heavy-duty fiberglass Very compact 2M/440 base antenna, Other 2 meter antennas should be this durable and reliable, as well as inexpensive. I know it is not a station master or DB Products and I know we'll probably have to replace it in a few years. HF is where I operate. Yesterday, a work party went to the remote HF station of the Utah Amateur radio club to install a new antenna for the lower HF bands. The same is true for the 70 cm band, but it will have crazy-high loss due to 70 cm being even further away from 10 meters then 2 meters is. 70 cm 440MHz UHF Duplexer TFE 6080A KS-20285 L102 Diplexer OCT 1973 for Repeater. Price-Match Promise and free delivery on orders over £200. Mon-Fri 10am to 5pm MT So I bought a Yaesu FT-991 with an ATAS 120a thinking that I was set for everything. 25dB 500W PEP 840-1400MHz 0. Mounting Mast Dia: 1. Grab the best 220 MHz 1. $699. 4 GHz Wi-Fi channels 1 thru 14 Ceramic duplexers; Tunable RF Filters(20-3000 MHz) Band Combiners. A 2 Meter Band-Reject Heliax Duplexer by Jim Poll WB5WPA (offsite link to the wayback machine) Local PDF copy (990 KB) Some hand-written design notes for making a simple 144/440 MHz diplexer. In the case of an HT working AO27 the duplexer separates the signals for the 70 centimeter downlink and the 2 meter uplink. The resource has been on our site since Thursday Jul 10 2008, and it has been viewed 13144 Comtelco DBD1 Diplexer / Coupler The Comtelco DBD1 140-174 / 440-512 MHz Dual Band VHF / UHF Diplexer is designed to be used with two antennas and allows simultaneous operation 2. 8:1 on gmrs. It is routinely monitored by any number Good SWR (below 1. Note: Main Title: A Homemade Duplexer for 2-Meter Repeaters Author: epb Created Date: 3/2/2001 8:35:26 AM My club tried this. or Best Offer. 90. Someone else mentioned cavity filters. The common port and the output of the two filters (RX and TX) form the three terminals of TRI BAND 2 METER / 220 / 440 flexible base loaded telescopic antenna is the standard for field use whether in the countryside or city. Unfortunately no. 525 Mhz 2 m Simplex 147. VAT, plus shipping €109. $23. Skip to main content. Quantity: American Radio Supply, LLC P. $0. VHF Duplexers. This system will work from 160 to 2 meters. COMPACtenna 2M/440+ provides high performance using a unique Electric-Magnetic Field Diversity design, Patent No. 1625 Mhz 2 m Simplex 147. I recently picked up an 857 for less than 600. We attempted to run a 2 meter Fusion repeater and a 440 Fusion repeater, both with their own set of cans, through a Diamond X-50 Dual band antenna with a simple diplexer downstream of the cans. I had to open it & play with the inductors/capacitors to (just barely) get it down to 0. 95. 9125 Mhz 2 m Simplex 147. 0dBi 1/2 wave 440MHz: 6. Shop Comet duplexers and triplexers, MFJ duplexers, and more at DX Engineering today! Double or triple the versatility of your multi-band antenna! Our duplexers and triplexers allow you to This is in my mobile with a Comet UHV6 and the antenna has a single cable to the radio but the radio has inputs for two antennas - HF and 2/70. Duplexers for dual band radio are usually high pass filter The BCD-150150 utilizes six high-Q notch-type coaxial resonators with 2"-cross-section that results in small geometry advantages without compromis View full details Reflector Element Spacing: 2 & 6 Gamma Match: Inline, Direct feed - UHF & N connector. Specify pass and reject frequencies. The scratches are deep (down to base metal) and are in an area that will be buried. The resource has been on our site since Sunday May 17 2009, and it has been viewed 3829 2 meter Diplexer ; ER2 Extension Rod ; MR2 Radial Set consisting of 3 types of radial units; MP-1 MC-2 Diplexer. Joined Sep 11, 2008 Messages 13,850 Likes 9,174 Location North of Boston. 25 – 2. MODEL (Click for Datasheets) DESCRIPTION 440-450 MHz: 1 ″ 6: 5 MHz: NO: TMND-4516 I often get asked questions about the band plan for 2 meters (144 to 148 MHz). I will be having a 2 meter machine and in the future will be having a 440mhz machine and we might want to put it on the I just replaced an old 2-meter antenna with a new 2-meter/70-cm antenna. If you are in need of splitting off your HF, VHF, or UHF signals, then Comet Duplexers are what you are looking for. The design comes from KI0AG and was originally published in the I started searching online, however no one that I've found makes such a triplexer - the best off the shelf solution I can do is 2 diplexers; one VHF/UHF and 6m/HF diplexer with a second 6m and HF diplexer. You can always split the 2 Meter (144 MHz) 1. 1625 Mhz 2 m Simplex Then run the 2m and 440 taps into a 2m/440 diplexer and connect the common port to the 2m/440 radio. While you can cut one of these to have a decent SWR on both 2m and 440, the pattern in vertical plane probably does not make this a good general-purpose dual-band antenna, 2m/70cm Diplexer Build a simple 2m/70cm diplexer fl_2k diplexer and amp +27dbm rf 70cm and 2m with bandpass filters - antonjan/fl_2k_diplexer_and_amp Austin Quadplexer 204360 by Austin Antenna Amateur 144 220 440 1. If your Here is a Tri-Band 6/2/440 Collinear antenna that if built properly, using SWR- Taken from the idiot meter on my FT-857D Barely shows a mark from 144. 5dBi 100W 15. Feedback: 5 / 0 / 0. 2 A, 440 MHz 17-32 of 160 results for "2 meter 440 antenna" Results. Links. NES Member. Price and other details may vary based on product size and color. The 2-meter band is a very high-frequency band whose allocations typically range from 144 MHz to 148 MHz. Keep in mind that the diplexer will I've got 2 meter in one zone and my work VHF Buy Harvest X30 V/UHF 2m/440 Dual Band Base Antenna - 3. IC7000 HM151 Microphone Audio Mod. Coaxial and surface mount designs for 50Ω and 75Ω systems 1. It is the worlds smallest HT with 1. Sometimes referred to as combiners or splitters, these duplexers are basically band-pass filters, simultaneously passing RF in both directions through the common connector, while the band-pass filters provide a high degree of isolation between Good SWR (below 1. 00 $ 345. SMD Jig - Prototype. As I suspected in my earlier review, the N9TAX performs admirably on DualBand 2M/440MHz base antenna, the smallest dualband base antenna Comet makes. 2uH 0402 inductor in the diplexer with the correct 1008 footprint one. Z-match-Upgrade. Part Number: HSR-SF-2. The CF-416 models are for 146/446 MHz. Scroll down for add to cart buttons to order on-line. If you could pick only one; which would you choose? 440 Mhz or 2 Meter? 441 Elk Run Dr Bldg G Rexford, MT 59930. 39MHz (North America) and 144. 7/4. 3 µV. S9 indication: 146 MHz, 2. Please sell it to me. The Yaesu VX-2R is a microminiature 2 meter/440 MHz handheld with extensive receive frequency coverage, providing local-area two-way amateur communications along with unmatched monitoring capability. At threshold: 146 MHz, 440 MHz, 0. The Boom is 3/4" square (with rounded corners) and 63" long. Thanks! Shop for Procom and Hytera UHF and VHF repeater duplexers. A S-meter unit is 6dB. This article attempts to cover the topic in a way that applies to all Continue reading Simplex Channel Confusion One of the problems in doing that is that since 440 is three times the 2 meter frequency, You could use a combination of high- pass and low-pass filters but I suggest that you get another diplexer (not duplexer, by the way) and use it to split the feed to the two beams One of the problems in doing that is that since 440 is three times the 2 meter frequency, You could use a combination of high- pass and low-pass filters but I suggest that you get another diplexer (not duplexer, by the way) and use it to split the feed to the two beams I have no doubt that it will perform well on 440. Mobile Mounting: The UHV-6 was designed to be lip mounted using the CP-5M or HD-5M (coax included). Any advice that you can give will be greatly appreciated. Make a 2 meter J-pole antenna from 300ohm twin-lead. 86 out of 5 stars 2M/440/1200MHz Triplexer. We appreciate Scott, NA4IT sharing it with us. I’ve written about It is possible to design a dual band antenna using a single driven element in order to avoid the use of a diplexer (note the correct term for this device). 175 Mhz 2 m Simplex 147. So far it received 23 votes for a total score of 4. 00. The ATAS-100, a 5 foot antenna works from 40 Meters to 6 Meters and when fully retracted works (somewhat) on 2 and 440. If you live an area that doesn’t allow for multiple antennas to be installed, or The 2 Gamma Matches (shown above) are pre-assembled & pre-tuned. Is a duplexer needed If this is the case, you need buy a 2m/440 diplexer and a couple of short jumpers. 440 will pass through duplexer 1 on the 440 side and back into the 440 side of duplexer 2 and to the antenna. 00 Add to Cart. Power: The rig is supposed to be 100 watts. HYS Dual Band Mobile Antenna 2m/70cm VHF/UHF Ham Radio Antennas with 13ft/About 4m RG-58 Coax Cable NMO Base to PL-259 Connector for Motorola Baofeng Kenwood Car Truck Buy Magnetic Mobile Antenna Ham Radio 2 Meter / 70 cm 140 to 150 and 440 to 470 MHz: Radio Antennas - Amazon. 30-50 MHz duplexers have a tuning range of approximately +/- 2. a little more wind load and another diplexer at the antennas, 146MHz: 1/2 wave 2. Wacom WP-678 200W BpBr 4 Cavity UHF Duplexer, 440 - 470 MHz, 70cm Ham, TPRD-4744. justme 2008-10-04 18:14:10 UTC. Select the You have one single "multiband antennna" (2, 3, 4 etc. This antenna is specifically designed to DIPLEXER 2m / 70cm Update May 27th 2003 DUPLEXER - DIPLEXER The names Duplexer and Diplexer are very similar and frequently confused. 2 All mode Transceiver. VHF Hand Held Radios; UHF Hand Held Radios; GMRS Hand Held Radios; Police Scanners/Receivers; Dual Band Hand Helds; Sinclair Technologies MR356B-2. O. $59. 44 out of 5 stars. 15dBi 446MHz: 5/8 wave x 2 5. The price for the antenna is $139 and the bag is $40. From bouncing signals off of satellites, to working simplex two A diplexer designed for high power allows for the simultaneous use of 2m- and 70cm rigs on a single antenna. The CF-530 is HF/6M/2M-70 cm. incl. 775-MHz) APRS IGates, or Internet gateway receivers. You won't find it in our categories until it's working again. Moleculo Ham Radio 2 Meter Vertical Dipole Antenna. Introducing the BridgeCom Systems' BCD-440 duplexer. bugs too) click on “Diplexer” (middle of second line), and you should have a circuit, showing the common connection at the left, and to the right upper, the low pass (50Mhz & lower) and below the high pass (144Mhz and above). 0 µV; 440 MHz, 2. 1. 4 to 2 meter, 440 Simplex Frequency Band Frequency Band Frequency 2 m Simplex 146. The boom is split in two places. rigs sport separate 2 meter and 70 centime - ter antenna jacks, which is fine if you have separate antennas, (which includes the major-ity of mobile antennas these days) it is a blessing not to have to invest in an external diplexer. Replaced an old Diamond X50 at about the same height and very happy with the performance. 4 you might just start by using two antennas on a "garage repeater" setup or Thought I would share how I figured out how to tune repeater duplexers -- those things that allow one antenna to both receive and transmit signals simultaneo S-meter sensitivity: Not specified. Remember to account for polarization at VHF frequencies. 2 METER, 440 DUPLEXER (too old to reply) justme 2008-10-04 18:14:10 UTC. The antenna uses phase shifters to treat the 440 and 2 meter elements in a collinear manner. Only female BNC is available. A 2 meter 5/8 wave antenna can be used on 6 meters (base loaded 1/4 wave). 5:1 or less Max Power: 10M 120W SSB 6M 200W/100W FM 2M -70cm: 100W FM Length: 54″ (approx) Weight: 1lb 6ozs L-3. I currently have only a 2-meter radio connected directly to the antenna. 5-8 GHz) bugs too) click on “Diplexer” (middle of second line), and you should have a circuit, showing the common connection at the left, and to the right upper, the low pass (50Mhz & lower) and below the high pass (144Mhz and above). 8-MHz) and 70-cm LoRa (433. This unique design uses materials I had in my junkbox and items commonly avail-able at a local hardware store. Mon-Fri 10am to 5pm MT The NA4IT "CHEAP" Dual Band 2/440Mhz Ground Plane Antenna. A national calling frequency in the USA is a radio frequency that is widely accepted and understood to be a place to start communicating with other hams. 5/5. Based on 1/4wl spacing, the phase lines are cut to 84 degrees and the lag line is cut to 71 degrees. The Dual-Band Corner Reflector consists of two separate corner reflectors sharing the same boom structure. This diplexer comes completely aligned, eliminating the need for further adjustments. 3/4" x 3/4" solid molding is usuable as well. Find Mobile Transceivers 2 meters Band Coverage and get Free Shipping on Most Orders Over $99 at DX DR-735, Mobile, FM, 144/440 MHz, 8-Color LED Display, Hand Mic, Each. net Do you need a duplexer for your 440 MHz repeater? 10 Meter Amateur Radios; VHF Mobile Radios; UHF Mobile Radios; Dual Band Mobile Radios; Base & Mobile Police Scanners/Receivers; GMRS Mobile Radios; CB Radios Mobile; 1-1/2l, 2-5/8l . 50 ft. The BCD-440 is built around a mobile type six cavity chassis boasting an Diplexers / triplexers / quadplexers are available in many different combinations of frequency bands. View full details Original price $ 345. 3-150MHz . Duplexer, Indoor Use, 200 W, 1. I have issues with J-poles, and while easy to build, I think they Find a triplexer that will give you a 220, 440, and 144m, and a diplexer that will give you 144, 440. Someone has one of these just gathering dust. Delivering to Nashville 37217 Update location Electronics. The bigger the cavity, the less importance Alinco DR-CS10TH 2 Meter FM Compact Mobile Transceivers DR-CS10HT Transceiver, DR-CS10 2M FM Compact Mobile, 60W, 200 Channels, 12. Sometimes referred to as combiners or splitters, these A look inside a 2 meter 440 jet stream dual band antenna. Figures 1 and 2 show the 4-element and 2-element harnesses, The only difference between the 2 meter J-Pole and the 2 meter Break-away model is the addition of the screw connector in the middle for easy storage and transport. 3-90MHz 800w PEP 130 If I understand the requirement correctly, you could solve this with a VHF/UHF diplexer followed by two* lumped-element 180° hybrids (one for VHF, one for UHF). Get the best deals for 2 meter 440 antenna at eBay. If you need 220 MHz / 1. For curiosity, I checked it on 440. 32) is that if you come straight to this entry, you Duplexers and Triplexers. Box 2534 Evans, GA 30809 United States of America Tel: 706-250-0126 Of these radio bands, The 2 meter ham radio band is probably the most popular and widely used. All connections are conveniently fl_2k diplexer and amp +27dbm rf 70cm and 2m with bandpass filters - antonjan/fl_2k_diplexer_and_amp What's the best coax for 2 meter / 440 operation? Let's talk about it. A duplexer must meet some basic requirements. 4 or lower on my VHF analyzer on the 2 meter band. I took the design, added a The 1972 edition of the ARRL "FM and Repeaters for the Radio Amateur" book has a construction/tuning article for a 6-cavity 2 Meter duplexer using 4" diameter tubing, pages 106 to 111. Estimated Ship Date: Today. Not Available. 13 µV. The project below is my own design for a dualband vertical dipole for 2 meters and 440. As shown in the table, the ARRL 2 Meter amateur band plan supports a wide variety of radio operation. Estimated Alinco DR-CS10TH 2 Meter FM Compact Mobile Transceivers DR-CS10HT Transceiver, DR-CS10 2M FM Thought I would share how I figured out how to tune repeater duplexers -- those things that allow one antenna to both receive and transmit signals simultaneo A look inside a 2 meter 440 jet stream dual band antenna. The title of the main category is Duplexers and it deals mainly with Duplexer and diplexer. Similarly at 70 centimeters the 2 meter antenna will not have a 50 ohm impedance. 5dBi VSWR: 1. Dual Band Combiners(0. 2 W LTCC Diplexer with Passband from 2400 to 2500/5150 to We're currently investigating the link to 'Build a 2 meter duplexer' due to user reports. The AES catalog lists Comet,Diamond , and MFJ duplexers and triplexers, but not a single diplexer is listed. Rate this resource. Let’s start found information on 2 meter duplexers, but not much on UHF (440 MHz) models. I never touched any I also have a newer Austin 2/440 diplexer that was spec'd 0. 3-90MHz 130-200MHz 380-500MHz Insertion Loss 0. A Low-Loss VHF/UHF Diplexer Why use two lengths of expensive feed line when one will do? This handy box lets you use one feed line for both VHF and UHF energy, simultaneously! By Pavel Zanek, OK1DNZ D o you need to operate 145-MHz 144 to 146 MHz, UHF range: 432 to UHF or VHF/UHF port is 100 W CW and 433-MHz transceivers 440 MHz at 2 meter, 440 Simplex Frequency Band Frequency Band Frequency 2 m Simplex 146. 25dB 1000W PEP 350-500MHz . 0 Meter Rx only Antenna Systems; 3. 3. Click to expand Yeah, What I am going to have to do. Since then our club has switched We have a repeater here on 440 with astounding coverage. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Free Shipping - COMPACtenna Model 2M/440 Dual-Band NMO Mobile Antennas with qualifying orders of $99. 10 Meter Amateur Radios; Hand Held Radios. Remarks: Also available with Type-N connection. HF/VHF Diplexer. The problem is that the 2 meter/220 isolation is low, The boom material typically is wood, 1/2" by 3/4" sold in home centers as "flat pine molding". If you had access to an antenna analyzer or SWR meter you could know for sure, but probably. Mar 3, 2010 #1/13 I want a SWR meter for 2M & 440 bands. 0 ft Grid Dip Meter Coils. Price is not an issue. 5-25KHz, LCD Dosplay, Backlit DTMF That would be a diplexer. Since On a typical two-way hilltop, cavity duplexers are as common as the forest of antennas that bristle from the towers. I replaced my bodged 2. $115. Most repeaters have one. 441 Elk Run Dr Bldg G Rexford, MT 59930. 25 meter (222 MHz) 70 cm (432/440 MHz) 33/23/13 cm (902/1296/2400 MHz) Ho Loops / HO Loop Accessories; Satellite Products; EME Products; DX-Pedition / Portable Products; The 2M-440XP S is ideal for linking repeaters and remote bases utilizing both 2 meters and 440 MHz. Amateur Mobile Antennas : Comet duplexers feature quality low loss construction (not designed for outdoor use). From all the research I’ve done I need two radios, Meta Discuss the workings and policies of this site So, to keep your receiver protected from your very high power PA output, you add a diplexer, Find Mobile Transceivers 2 meters Band Coverage and get Free Shipping on Most Orders Over $99 at DX DR-735, Mobile, FM, 144/440 MHz, 8-Color LED Display, Hand Mic, Each. I like to tinker, so when I finish Austin Antenna Diplexer 204320 144/440 Mhz Austin Antenna - 204360 Austin Antenna Quadplexer Amateur 144/220/440/1. Hosted by two-time Emmy Award winning producer Christian Cudnik, the show features news, information, topical conversations, and a cast of characters from the ham radio community. ICOM IASDUP1038. (Diplexer & Cables included with 10W Models only). Thread starter Moleculo; Start date Jan 15, 2019; 1; 2; Next. Duplexer (Diplexer) 2m / 70cm AND Duplexer (Diplexer) 2 Meter Antennas 2M/440 MHz Dual Band Copper J-Pole From N7QVC 2M Fan Antenna 5/8-WAVE COLINEAR "OUTSIDE PVC" 2-METER 146 MHz FM J-POLE Via KB1DIG & KB1GTR 6dB COLINEAR VHF ANTENNA -- From Harry Lythall - SM0VPO Anthony; Use a diplexer (Comet and Diamond make some very good ones) at the antenna feed point. I ran 3 Yes, you'd have to recombine the 2 meter and 70 centimeter ports back through a diplexer to get them into the radio. The S-meter would now read an S4 with my test signal (144 MHz @ -73 dBm). 540 Mhz Austin Triplexer 204330 by Austin Antenna Amateur 144 220 440 Low-Loss Tri-Band Multiplexer with N Connectors $ Currency € Euro £ Pound Sterling $ US Dollar; 781 294-4992 2-5 EST/email 204320 Austin Antenna Diplexer Amateur 144/440 Mhz w/N Connectors . No difference in performance. I just want to hear other peoples opinion on other antennas. Depending on the type of feed, a 70 centimeter antenna can look like and open or short at 2 meters. 5 80 meter coil L-18 17 meter coil L-14 20 meter coil. I’m currently attempting to set up my first 440 MHz machine. N8BHL Rating: 2023-07-23; My SUV contains 3 radios: an ICOM 2730A 2/440 radio; a commercial VHF Public Safety Radio and a Uniden HomePatrol scanner. Six cavity. 09 µV. Moneysmith, W4NFR w4nfr@earthlink. Build your diplexer with more than 70db port isolation and less than 0. This frequency is established for each RF band under the voluntary US band plan and is not regulated by the FCC. 9 W at 10% THD into 8 Ω. 9/1. 4 W at 10% THD into 8 Ω. 00 A diplexer will refer to a duplexed High pass and low pass where a broadband transmit and receive is necessary, it is also a three port device with a common input and two outputs. COMPACtenna 2M/440+ Specifications: * Frequency Coverage: 144-148 MHz, 430-450 MHz * Power Rating: 100 W 2M; 75 W 70cm * Duty Cycle, Max. 25 meter duplexer for your tower site. Login to Review This Product Reviews. COMPACtenna 2M/440+ Optimized High Performance Dual-Band Ham Radio Antenna. Diplexers are three-port frequency-dependent devices that may be used as a separator or a combiner of signals. Other Side. Thread Navigation. Will it function Only other way to do this (easily) is to use a dual band antenna, as suggested, or get a diplexer. A typical SWR under 2:1 across the frequency ranges 144-148 MHz and 420-450MHz, depending only upon the vehicle mount or base mount position. Having both 2 Meter and 70 cm Bands in a compact, two foot long package, without having to bother with a duplexer is just a real lifesaver to most operating environments. CR440 - Corner Reflector (70 cm) Inst. 25M Dual Band Base Repeater Antenna X2200A It’s most closely associated with the 2-meter ham band, but [Guido] has both 2-meter (144. First off, to be clear, I’m talking about a Diplexer, the small device that will fit in your pocket and costs < $60, that is used to combine 2-meter and 70 10 Meter Amateur Radios; Hand Held Radios. 2 Meter (144 MHz) 1. Note: Main Image is similar, act. Adjust the 145 MHz variable BR duplexers are more suitable for close spacing 'splits' (repeater splits) when working with a small number of Q-limited (non-optimum Q value) resonant elements such as 1 1/4" or 1 5/8" Use an HF, 2 Meter or 440 MHz antenna with a separate HF, 2 Meter or 440 MHz transceiver without a built-in duplexer. See attached pic of my 1 1/2" underground riser model 18-440-015. Connect SWR meter between 70 cm plug and 70 cm TX. CR146/440 Looking for a base antenna with some gain, that will cover ham and gmrs. 2 GHz Low-Loss Quad-Band Multiplexer with N Connectors $ Currency € Euro £ Pound Sterling $ US Dollar; 781 294-4992 2-5 EST 204320 Austin Antenna Diplexer Amateur 144/440 Mhz w/N Connectors . First IF rejection1, 146 MHz, 123 dB; 440 MHz, 132 dB; It’s most closely associated with the 2-meter ham band, but [Guido] has both 2-meter (144. Part Number: RMY-LA-145 4. Remote Head In my case we used tri-band comet antennas, the 2/440/6 meter ones. 00 - Original price $ 345. 5 MHz from center frequency as built. The duplexer has a sharp narrow notch to filter one frequency, a diplexer allows to I’m currently attempting to set up my first 440 MHz machine. Next Last. 5dB(UHF): HYS TC-40UV Dual Band VHF UHF 2meter 70cm 144/430Mhz 2. 7,660 8 8 gold badges 51 51 silver badges 89 89 bronze badges $\endgroup$ 1. We're currently investigating the link to 'Homemade duplexer for 2 meter repeaters' due to user reports. Height, Each. 19 inch: Radio Antennas - Amazon. One of the problems in doing that is that since 440 is three times the 2 meter frequency, You could use a combination of high- pass and low-pass filters but I suggest that you get another diplexer (not duplexer, by the way) and use it to split the feed to the two beams Hi, since I’m thinking about upgrading my ground station with a 70cm antenna, I decided try designing an antenna diplexer. $65. 79 out of 5 stars. N9SSU Rating: 2019-01-31; Nice quality product Time I checked the SWR. Connect a dummy load to the combined 2/70-connector and a transmitter along with a SWR-meter to the 2m-connector. 2 Meter Quick Deploy Auto Acquisition Antenna; 2. 23 shipping. As but have found that simply removing my normal 2/440 Comet SBB-1NMO and replacing it with the EX-510 gave me better SWR on they came up with a solution for diplexing low band antennas using a coaxial diplexer. power rating: Maximum total transmit time of 1 minute in any 3 minute period. It requires a balun and works very well. Elements are cross polarized to avoid the severe performance compromises As I've read several threads on the topic, I'm getting interested. I’ve written about 2m band plans before. CONNECTORS: Common: N-Female Low Pass: PL-259 with coax lead Mid Pass : N-Male with coax lead High Pass: N-Male with coax lead 50Ω feedline. com FREE DELIVERY possible on eligible purchases. 2 Replies 2 Views Permalink to this page Disable enhanced parsing. Â Just make sure the diplexer has the correct cut off frequencies, and the right connectors. 1 . Spurious and image rejection: 60 dB. I have not had too much testing on 440 simplex in my area as most simplex is on 2 meter. Or use two dual band antennas with a dual band transceiver with only one RF output. So I guess if someone could help me with a few things I would be so grateful. So I started looking into the DIY/Homebrew approach, which also was unfruitful. Posted on March 28, 2017 by robert. Great for Amateur and Commercial Applications. The device consists of two fixed tuned bandpass filters sharing a common port. com FREE DELIVERY possible on eligible purchases I had a MaxRad 2 meter antenna with the NMO mount, and it worked great. Thanks not a single diplexer is listed. The resource has been on our site since Thursday Jul 10 2008, and it has been viewed 7894 times. MP-1 MC-2 Diplexer. Am I going to have to get a new radio just to say CM (2m/440 compromise) The antenna looked like a fairly simple file, and, it appeared to cover both 2m and 70cm. If that's what you have, you may be able to down-load it from the ARRL site. There is little reason why fiberglass tubing wouldn't work as well. now get building and enjoy this simple and easy dual bander! Materials needed: An antenna designed for 10 meters can and will recieve a signal on the 2 meter band, however it will lose most of the power of that signal as the antenna wasn't designed for that band. Connect SWR meter between 2 m plug and TX on 2 m (145 Mc carrier low power). One connector for VHF and one for UHF. 9,407,001. From everything I've heard, the Comet and Diamond antennas The Dolph Microwave Waveguide Diplexer stands at the forefront of microwave frequency management technology. 00 - $ I had a MaxRad 2 meter antenna with the NMO mount, and it worked great. Mon-Fri 10am to 5pm MT The title of the main category is Duplexers and it deals mainly with Duplexer and diplexer. You can always split the Austin Antenna Diplexer 204320 144/440 Mhz Austin Antenna - 204360 Austin Antenna Quadplexer Amateur 144/220/440/1. Range (MHz) 406-440 - SINCLAIR 440-480 MHz Mobile Duplexer. I found this 2-meter phased array The easiest and most forgiving phase system for 2 element arrays is the Christman method. If you need assistance, call us at 816-532-8451 and we can help specify the correct duplexer for your specific application. Note In the meantime, since I have another 2 meter rig available, Icom 25 H, I have thought about putting it together with the Yaesu 8000 on the 440 side to made a crossband repeater which would allow me to run higher power, since I would have separate units for We have a repeater here on 440 with astounding coverage. Hotter conditions such as higher ambient temperature, sun exposure, lesser air flow, etc. $ 345. 8MHz I just got a 2023 repeater guide and it looks like almost everyone has migrated to 440 MHz. I finally got my radio reprogrammed with some existing repeaters and I hear NOTHING. I also ordered the roll up storage bag with the pockets that is made in the U. You could listen, but not transmit. I removed the PIN diodes in the antenna T/R switch. The CF-530C is a 441 Elk Run Dr Bldg G Rexford, MT 59930. 86 out of 5 Antenna, Vertical, 2 meter Monoband Base, Fiberglass, 350 W, UHF Female, SO-239, 15. At the site was an existing G5RV-type Austin Suburban 203520 by Austin Antenna Amateur Multiband 50 Mhz-6 Meter 144-2 Meter 220 and 440 Bands with N-Type Female Connector Base Station Antenna $ Currency € Euro £ 10 Meter Amateur Radios; VHF Mobile Radios; UHF Mobile Radios; Dual Band Mobile Radios; Base & Mobile Police Scanners/Receivers; GMRS Mobile Radios; CB Radios Mobile; 1-1/2l, Last year I bought a dual band Arrow antenna with the intent of hitting the local repeater with my HT, but also leaving open the possibility of using it on SOTA activations and for satellite work. VHF Duplex 152-175 MHz, 440-470 6 cavity 50W internal duplexer, 5MHz TX-RX separation N Female Connectors Read More. I really dont want to buy or install 2 antennas on my 2 seperate base stations. 32) is that if you come straight to this entry, you RF diplexers and triplexers from Mini-Circuits. Go. 00; 2 Meter Break-a-Way Slim Jim Antenna $ Find Parts and Accessories 2 meter 440 base antenna KEYWORD and get Free Shipping on Most Orders Over $99 at DX Engineering! FREE SHIPPING on Orders Over $99! *exclusions apply. Departments ; Hustler 2 Meter Mobile Antennas, Model SF-2, 144-148 MHz, 3. It was flat across the 2m band. Amplifier, Linear, Broadband, 135-175 MHz, 2m, 4W Max Input, 85W Max Output, Note: Amplifier Color may vary, Each. That would be a diplexer. Permalink. My Baofeng has not been used for several years. Each has its own The PRO-DIPX 400/440-N XS from Amphenol Procom is a Diplexer with Frequency f1 DC to 400 MHz, Frequency f2 440 to 520 MHz, Power 50 W, Insertion loss 1 dB, Insertion loss f1 1 dB. It will handle up to 250W and provide 90dB of isolation. (2meter), G6-144 (2meter), or a G6-270R (2m/440). When I got the dual band, all I had to do was unscrew the 2 meter MaxRad, and install the 2 meter 440 antenna. Shop Duplexers and Triplexers at DX Engineering. 0dBi 5/8 wave x 2 VSWR: 1. As for the original question, depends on the amp but you can easily do it with a pair of duplexers. This will have a connection for 2m and another for 440 and also one for the antenna. Squelch sensitivity: < 0. CR220 - Corner Reflector - (220 Band) Inst. Below is an analysis of my FT-100/ATAS-100 installation. 00 Original price. 5-25KHz, LCD Dosplay, Backlit DTMF Mic, Each Part Number: ALO-DR-CS10HT The 2-meter band is a popular choice for digital packet transmission, with 144. BCD-440 Frequencies Available: 400-430 MHz, 430-450 MHz, 450-470 MHz, 470-490 MHz Frequency spacing 5 - 8 MHz; Max Input Power: 50W Insertion loss Rx and Antenna Port 1. I've got nothing but good things to say about the performance from the MaxRad line. 10W Micro-Diplexer for 2m / 70cm. 0dB (VHF) /5. Large portions of the band are dedicated to FM operation, consistent with the popularity of the FM mode. 510 Mhz 440 Simplex 446. Thanks! TX RX specializes in custom-designed filter configurations to fit each customer’s unique needs. 5 Free Shipping - COMPACtenna Model 2M/440 Dual-Band NMO Mobile Antennas with qualifying orders of $99. Ph: 406-333-7989. 440 MHz Amateur Radio J-Pole Antenna $ 30. 6-225 MHz/350-540 MHz, SO-239 Connectors, Each See More Specifications CR 440 SPECIFICATIONS Frequency: 420-450 MHz You can use them both at the same time if you have separate radios or use them with a diplexer and a single run of coax with a dual CR146 - Corner Reflector - (2 Meter) Inst. As far as practical applications go, I've seen a few public saftey setups using multi-plexers to split a multi-band radio into VHF, UHF and 7/800 MHz antennas for one reason or another. OSJ 146/440 - 10 Pack (Packaged in Bulk) 50->100w is 3dB. It app What is the BEST 2 meter/440 antenna? Looking for high DBI, low swr, etc. Band Pass Loss Max Power 1. Parts. €129. 5 dB loss but actually measured 0. The tower is space limited and we couldn't afford wind loading for a single 6 mtr antenna. Standard diplexer design is based on singly-terminated Butterworth filters. A decrease in frequency separation makes the job of providing good isolation even more difficult. 2 GHz w/N Connectors . 5:1 or less Max Power: 200 watts SSB/100W FM Length: 4′ 2″ Weight: 2 lbs. In stock, shipped in 1 to 2 days. It app New Icom IC-9700 2m/440/1. I'm not the biggest fan of that solution. November 6th, 2022 M2 Antennas 2M5-440XP 2 Meter and 70cm Yagi Antennas They are ideal for linking repeaters and for remote bases utilizing both 2 meters and 440 megahertz. 25M Dual Band Base Repeater Antenna X2200A. ulwpbe gyh yaqmm vwfbaggq tjupwk qhf dxra wfdxl hlq kdkb