Phelps dodge vhf duplexer jpg. org; Model: Duplexer 638 - Phelps Dodge Communications Co; Shape; Chassis only or for «building in» Dimensions (WHD) 140 x 50 x 250 mm / 5. Country/Region of Manufacture. 5dB or so, if you take your time tuning those you can get that down to 0. Duplexers Phelps Dodge Model #499-509 VHF duplexer 143. VHF incl. UHF Duplexer; Frequency 440-470 MHz; 6 cavity; Band Pass / Band Reject; 350w; 120dB isolation with 1. Sold "as is". Envío gratis en artículos seleccionados. The conference will be held at the Quality Inn at Exit #4 in Clarksville, TN April 4-5, In doing it that way I've not experienced any shift in the duplexer Cablewave, and Phelps-Dodge all made 7/8” with a solid center (copper This video shows how to tune a notch-type duplexer using a spectrum analyzer with a tracking generator, as well as with a vector network analyzer (VNA). Hipass Link: Duplexer https://amzn. Frequency Band(s) VHF. Allen Decibel Products DB4026W-3 UHF Duplexer | 450-470 MHz. Their antenna in/out goes to the Phelps Dodge duplexer and a whip antenna is connected to the center antenna terminal. PL-259 connectors for ease of soldering and because nickel plated connectors have been proven to cause problems at VHF and UHF. Box 2534 Evans, GA 30809 United States of America Tel: 706-250-0126 148-174 MHz, VHF Bandpass Reject Duplexer (DBS3060) 157-174 MHz, Duplexer (DB4060-WC-C) 1; 2; 3; The photo shows the transceiver boxes to the left. Motorola Available in UHF, VHF, and 800 / 900 MHz frequency bands, MTR3000 is 100-watt, continuous duty base station/repeater that operates in digital mode in MOTOTRBO Conventional, IP Site Connect, Capacity Plus and Connect Plus BOTH AREA VHF REPEATERS SUPPORTED BY SWARC REQUIRE A 114. Duplexer. com. Ideal for Vehicular Repeater, transportable repeater etc Want Encontrarás artículos nuevos o usados en Duplexor VHF en eBay. 8 Hz PL TONE FOR ACCESS. 00. Because of maximum cavity size limit, copper water pipe may still be indicated for UHF and above. For one VHF and one UHF repeater on a single dual band antenna, the antenna will go to a diplexer that splits the antenna feedline to separate UHF, and VHF Figure 1: The magenta trace is that of a proper band-pass cavity, the yellow trace is that of a one side (3 cavities) of a 6-cavity Phelps-Dodge "Band-Pass/Band-Reject" duplexer while the cyan trace is the combination of Phelps Dodge VHF Mobile Band Reject Duplexer BNC, P/N 902-RB2B 72 75 MHz. I did try and get one to work at 600 KHz and it was very ugly. Mike the engineer also gives sugges I also have a 4-cavity Phelps Dodge 696-BR duplexer rated for 100-Watts - asking $275 tuned plus any packing / shipping expenses. Wacom, TX RX and phelps dodge bandpass filters as well as a VHF and a UHF intermod panel, multicouplers and 4-port TX RX receive power dividers if you have a need for those items. VHF Repeater Motorola Quantar 125 watts. 64. I had three of these in service and the performance is great for the price. 55 cat number and Rx 455(posted on December 4th, 2018) Find many great new & used options and get the best deals for Phelps Dodge VHF Mobile Band Reject Duplexer BNC, P/N 902-RB2B 72 75 MHz at the best online prices at eBay! Free shipping for many products! The nearly 20-year old Kenwood repeater was then moved to Union Hill in Redmond. 8dB I also have some Telewave, Wacom, TX RX and phelps dodge bandpass filters as well as a VHF and a UHF intermod panel, multicouplers and 4-port TX RX receive power dividers if you have a need for those items. UHF PHELPS DODGE Duplexer 526-4-SR 120DB Isolation For GMRS DUPLEXER QUANTAR. Totalmente nuevo (1) USD58. The dual It's a high loss (8‑9db per 100 feet at VHF, and 16db per 100 feet at UHF), but it will fit in locations where nothing else can. De segunda mano. Custom Bundle. 45. A 1965 IEEE article by Phelps Dodge c) A general article by EMR Corp d) A 2010 article by Sinclair Phelps Dodge Model 696 – 4 Cavity Duplexer $ 350. It is the buyers responsibility to retune duplexer to their frequencies. 010. In any case, how a duplexer operates is basic physics. While the coverage was better than West Below is an update on the schedule of speakers and presentations for the Southeastern VHF Society Conference. 8 dB through Loss. ZU VERKAUFEN! 274028523421 70 cm - 448. W8CWO Repeater (VHF - 2 Meters) The receive antenna is a Celwave (Phelps-Dodge) Station Master unit mounted below and horizontally away from the transmit antenna. 0185417U01 0185417U02 0185417U03. ph. 2 for connectors. Model. With BNC male connectors for TX/RX/Ant connection. DUPLEXER (952-960 CAT. Key Features VHF Band Pass / Band Reject 6 Cavity Duplexer 350w 136 - 174 MHz Model #64546 HAM split separation at 600 KHz Great for DMR repeaters and analog repeaters ----- Original Message ----- From: Randy Fisher K9MMQ To: repeater-builder@groups. Up for sale is a VHF duplexer that was used for a MARS station. 090/149. $499. $50. 3 - . Category: Duplexers. Conector VHF / UHF Duplexer SO-239 a 2 x 2 enchufes PL-259 - Opek DU-500UM. 0 inches. Service. Shop now for fast shipping and easy returns! PHELPS DODGE 522-5 UHF DUPLEXER 435-470MHZ BANDPASS/REJECT TYPE-250 WATT- GMRS. 5 MHz minimum Frequency Separation, 50 Watts Max Power. 1). Motorola MTR 3000 UHF Repeater with Phelps Dodge 526-4 Phelps dodge cat. 5 X 1. One of the screwdriver tuning slots is partially broken off but it still tunes fine. Add to cart. Cat. It was supposedly tuned for 146. 2018-06-11 Phelps-Dodge Model 526SR Duplexer. UHF Repeater Kenwood TKR-850 with TPL 90 watt amplifer; Duplexer: VHF - Telewave TPRD-1556 6 cavity Bp/Br. O. As in the 2" heliax duplexer for 6m. us (879) 100% positive; Seller's other items Seller's other items; Contact seller; US $50. New prices start in the mid $2k range. 5750 PL 107. The TX and RX Phelps Dodge Model 696 - 4 Cavity Duplexer quantity. USD50. The modifications are primarily to add a s New HAM radio repeator in town, how to prepare the equipment including the duplexer for set up The best, baddest UHF duplexer that I know of is the Phelps Dodge/Celwave and now EMR 526 series. Get the best deal for vhf duplexer from the largest online selection at eBay. 7 watching Phelps Dodge Model 696 – 4 Cavity Duplexer $ 350. Decibel Products DB4056C VHF Duplexer | 136-174 MHz. ILS 161. These are rated upwards of 120dB isolation and work extremely well. from Radiomuseum. PHP 2,899. 522-509 Duplexer is designed for transmitters having power outputs up to 250 watts. Each cavity is to be tuned individually. In this how to video, a Sinclair Technologies engineer demonstrates step by step how to properly tune a duplexer filter. Duplexers Decibel Products DB40909-A Transceiver Duplexer | 800 MHz Read more. Model PD636A, for 145-155 MHz, and 4. In VG shape. Duplexers Phelps Dodge 526-4 UHF Duplexer $ 450. . DHL Freight shipping or VHF duplexer tuning Sam Snyder Sr. The repeater is used on a repeater pair of 146. Three cavities were re-tuned to 145. Has 3 BNC connectors. 2% similar) N connectors frequency is TX 450. 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 That is a knockoff copy of the Phelps Dodge 'mobile' duplexer. 99 shipping. United States Title: Full page fax print Author: Bob Created Date: 20210412142312Z Decibel Products VHF Duplexer Key Specifications: 6 Cavity Duplexer 136-174 Mhz 2-5 MHz Split Band Pass / Band Reject VHF High isolation 600 KHz to 5 MHz Separation Great for land mobile Will tune to your land mobile split Will An ARCOM RC-210 3-port controller supports (1) repeater, (2) VHF remote base, and (3) Allstarlink operation. 7 big lot Phelps dodge slave duplexer 800mhz 816-821mhz these are from a ham radio persons estate and (posted on June 15th, 2018) 633-6 Phelps Dodge Uhf Repeater Duplexer (63. Decibel Products DB4056C VHF Duplexer | 136-174 MHz Read more. buy duplexer pass-reject cavity (uhf) phelps-dodge (celwave) in lock haven, pennsylvania, united states, for us $272. The Q-4220 is ideally suited for 45 MHz Tx to Rx separation, but may also be ordered for spacing as low as Phelps Dodge VHF Mobile Band Reject Duplexer BNC, P/N 902-RB2B 72 75 MHz. Seems all of these mobile duplexers are only good for 3 to 5 mhz of separation. ILS 355. as the basis especially for VHF cavities. Browse our daily deals for even more savings! Free shipping on many items! Phelps Dodge VHF Mobile Band Reject Duplexer BNC, P/N 902-RB2B 72 75 MHz. Pre-Owned · Motorola. View More. It consists of three cavities each with a special CPC developed notching circuit attached. Reject Filter: The duplexer is a UHF Ham Reject Duplexer, which means it will allow one frequency to pass through while rejecting another. ILS 1,434. A DB-506 is very different from a PD506 Low Band DB4032-8A VHF DB4048 (HAM) DB4050 DB4060 (HAM) DB4062 (HAM) DB4059 UHF DB4076W. 8 dbreject attenuation: 24 db presently tuned to pass: 466. $49. This video introduces the RF Diplexer, which is a pair of filters used to separate RF signals on a single feedline into two different feedlines based on thei This forum exists for the purposes for discussing service monitors (This includes but is not limited to Motorola, HP, Aeroflex, GD, etc). 60 Db TX/RX isolation. Title: VHF Duplexer PD5042-1 Author: Compiled by Eric Phelps Dodge 526-4 UHF Duplexer. This duplexer is specifically designed to operate within Duplexer for use in the 144-174 MHz range (Exact frequencies may be specified). Also, that is interesting about the GP-9N compared to the DB411 when using the lower two. 2 MHz was about the closest I could get and have it still be usable. to/3XDEpA5Here is the FUMEI 50watt Duplexer. Phelps Dodge. 03pass/ 146. This guide is intended as an aid to those searching for a NOTE: This duplexer is manufactured by RFS/Celwave as PD5042-1. 13/146. The 3 cans are really clean and very easy to tune. Pros of buying Phelps Dodge UHF Ham Reject Duplexer 7458: 1. Note that Decibel Products ("DB") and Phelps Dodge ("PD") used similar model numbers at times. My personal preference is to use nothing but Heliax, Superflex and Mil-Spec RG‑214 on the antenna side of the duplexer, and nothing but Superflex, Mil-Spec RG‑214 and RG‑400 on the radio side. 4db loss; Separation 2-10 MHz (great for land mobile or a HAM repeater with 2-3 While I understand the negative comments aimed at the quality of Chinese duplexers that are sold on Amazon and eBay, I have built several inexpensive GMRS and digital voice amateur 440 repeaters using the Fumei This documents my adventure in converting a noisy Sinclair Hybrid Ring VHF Duplexer to a more reliable BPBR type. I currently have a "Phelps Dodge" UHF 4 can duplexer, can I not use a single can notch that tunes out , or just a spliter since I would have a properly tuned duplexer on both repeaters. 1. 5 x 2 x 9. I have a Celwave 0185417U05 and a Phelps Dodge 526SR duplexer for sale. 275easily retuned specification . This duplexer is specifically designed to operate within the 497 to 509 MHz frequency range, making it an ideal choice for amateur radio operators, public safety agencies, and other organizations that require reliable, high Model: Duplexer 499-509 - Phelps Dodge Communications Co; Shape; Chassis only or for «building in» Dimensions (WHD) 16. Get the best deals for Phelps Dodge Duplexer at eBay. The Linux Allstar server also supports EchoLink and IAX For Sale, Phelps/Dodge/Celwave Mobile VHF Duplexer. 07. N9ZAS . 13RX in the past. The 497-509 Phelps Dodge Repeater Duplexer is a high-performance component designed for use in VHF communication systems. UHF - Phelps-Dodge 526-4-1 Bp/Br 6 cavity; Preamp: VHF - AngleLinear PHMET with 2 cavity preselector/filter UHF AngleLinear PHMET with 1 cavity preselector/filter; Controller: Arcom RC210 The Q-4220 duplexer utilizer Res-Lok construction to achieve maximum performance in an extremely compact package. Check Graph 1 to insure the correct lowpass loop assembly and padding capacitor are installed in the duplexer for the frequency band and Tx to Rx separation desired. 6 MHz SEPARATION CAT. 5 MHz or wider than the 5 MHz upper limit the return loss to the transmitter and receiver ports starts going down and the insertion loss goes up something fierce. 875 inch / 429 x 838 x 327 mm; Notes; Duplexer for use in the 144-174 MHz range (Exact frequencies may be specified). Motorola VHF 4 Cavity Duplexer; Band Pass / Band Reject; 136-174 MHz; 250w with 1. instantaneo. Click Here: Auctions by SouperDoll Used PHELPS DODGE Communications Company UHF DUPLEXER Has 4 Cavities. That Motorola/Celwave/Phelps Dodge PD526-4-2 six cavity UHF duplexer has some fantastic numbers for isolation and insertion loss. 2 Hz - Yaesu DR-2X Fusion Repeater w/Internal Controller, 6 Cavity "Pancake Style" Duplexer @ 110' running 20w; 70 cm - 442. These are pretty much identical, 6-cavity duplexers. 13 reject to be a filter for their packet station co-located with the repeater. I like what I see much more than actual implementation of a Motorola 1500, but we work with what we have. FM and/or UHF (see notes for details) Power type and voltage; No Power needed; Loudspeaker - - No sound reproduction output. celwave (phelps dodge) duplexer pass-reject cavity (uhf)model 695typically used with model 696 dual notch duplexerfreq range: 406-512 mhzinsertion loss: . Each 'side' is tuned to reject the other frequency, U. 275 reject: 461. 1 50W VHF 6 Cavity Duplexer N Connector FREE tune radio repeat New 136 -180Mhz. How good will these work as notch filters and or what physically keeps these "portable" duplexers from being able to be modified for a closer in separation like 500khz? Ralph, The problem with this particular duplexer design is that if the spacing is closer than the 1. 875 x 33 x 12. 99. MPN. Brand New · Unbranded. The measured RF output from the repeater, run through the Phelps-Dodge Bp/Br duplexer cavity array, then through ~250ft of feedline (@3dB attenuation per 100′) left minimal power being delivered the antenna, a Comet GP-9. Duplexers Motorola VHF 4 Available in UHF, VHF, and 800 / 900 MHz frequency bands, MTR3000 is 100-watt, continuous duty base station/repeater that operates in digital mode in MOTOTRBO Conventional, IP Site Connect, Capacity Plus and Connect Plus I've got a Celwave 6-cavity Bp/Br duplexer, equivalent to the Phelps Dodge PD526. Related products. Type. 5 Hz - Maggiore R-1 Repeater w/CAT 300 DX Controller, 6 Explore a wide range of our Phelps Dodge Duplexer selection. Celwave 0185417U02 VHF Duplexer 144-160 MHz quantity. Both are fed with 5V. High Quality: Phelps Dodge is a well-known brand in the field of RF components, and their products are known for their high quality and durability. Telewave VHF Duplexer Key Features: 136-174 MHz; 250w; 6 Band Pass Cavities for high noise sites; Separation of this duplexer is 2 MHz – 5 MHz; Phelps Dodge Model 696 – 4 Cavity Duplexer $ 350. io Sent: Saturday, December 28, 2019 04:53:36 PM Subject: [repeater-builder] phelps dodge 526- UHF Duplexer > Greeting to the group, > > I have an older set of UHF Phelps Dodge Model 526 duplexers, I want to change out the Old RG-8 A/U cables to RG-142 coax American Radio Supply, LLC P. or Best Offer. 8 inch; Notes; A "Duplexer". The duplexer has worked very well for the last 35 odd years being in use from a VHF Engineering 25 watt repeater, sometimes driving a 100 watt amp and at one time a single 4cx250 amp with no problems even with a preamp. No. This one actually has a Motorola part number on it: 0185417U05 and it's the same one they use with Quantar and MTR2000 systems. 0. We could wiggle the connecting coax on the duplexer Phelps Dodge Model #499-509 VHF duplexer 143. 40 shipping. Rated 0 out of 5. Purchase Phelps-Dodge 522-509 UHF Repeater Duplexer Ham Radio GMRS in Redding, California, United States, for US $259. Well used, please see photos below. They are notch/notch. The transceivers are connected to a DMK-URI USB Cat. It There ARE Phelps-Dodge mobile vhf mobile duplexers that will do this. Pre-Owned. Find top brands, exclusive offers, and unbeatable prices on eBay. 00 2019-06-06 Sinclair Q-201G 6-Cavity VHF Duplexer in Cabinet, S/N: (222)6030 Retuned to new frequencies per client specifications and tested. 144-174MHz Great for an APRS station or digipeater. Duplexers Allen Decibel Products DB4026W-3 UHF Duplexer | 450-470 MHz Read more. In this PHELPS DODGE VHF Mobile Band Reject Duplexer Miniplexer BNC, P/N7360 S/N 60581 - EUR 69,08. Tuning w Created Date: 1/30/2007 2:40:40 PM X182AC is 0185417U04, same as Celwave PD526-WB-SR-1 X182AD is 0185417U05, same as Celwave PD526-4-2 X182AE is 0185417U06, same as Celwave PD526-5-1 This project began as an effort to make new jumpers for an older Phelps Dodge duplexer. 00 Add to cart. 25 X 4. 12. Additional topics allowed include test procedures, interpretation of test results, where to find information about specific tests, antenna VSWR, return loss testing, duplexer and filter alignment, etc. See Fig. So all you need is a signal generator some RF attenuators and a receiver. All Messages By This Member #185915 I have been into repeater operation over forty years, and for some reason, I am stuck at getting a precise tune of pd-497 duplexers or a set of db products four can bpbr duplexers. Finding specifications, especially for models that are no longer in production, can be a very frustrating process. Size 8. 9500 PL 103. AND, the aperture coupled Band Pass UHF cavities behind the image Ant_Tee_IMG_3734b. FM. This split antenna system connects to a Wacom WP-639 BpBr 4 cavity duplexer. I also had a pile of VHF mobile duplexers but they are 5MHz minimum Buy Phelps-Dodge 522-509 UHF Repeater Duplexer 406-470 MHz - Ham Radio GMRS in Pompano Beach, Florida, United States, for US $350. We have a great online selection at the lowest prices with Fast & Free shipping on many items! UHF Duplexer Tuning for Ham Repeater using a Spectrum Analyser and Tracking Generator. 5dB loss; 19inch rack mount Went up today with the intentions of find out the problem. 524-509, 80 db ISOLATION FOR 3. The only problem with them is the cost and you need some good test equipment to get them tuned to specs. Free shipping. 73 MHz. Two cavities are To use only one aerial, a duplexer mixes the signal from the mobile radio with the outgoing signal from the repeater connecting RX and TX with one cable to one aerial. 73TX/146. 524-509 DUPLEXER consists of six cavities; three transmit reject cavities and three receive reiect cavities. 2. Ubbe Member. 2018-05-01, (5) EMR Corporation UHF Mobile/Compact Duplexers. END OF DOCUMENT. kayn1n32008 ØÆSØ Say it, say 'ENCRYPTION' Joined Sep 20, 2008 I have a rather small VHF duplexer that will do a 1MHz split and its a 4 cavity pass/notch thats about 2 1/2ft X 1 1/2ft X 4in. a Celwave/Phelps Dodge or Telewave duplexer will have insertion losses around 1. Any combination of these ports can be connected from DTMF control. Joined Sep 8, 2006 Messages 9,932 Location Stockholm, Sweden. *Subject:* [Repeater-Builder] Re: Phelps Dodge pd497-1 duplexer Place duplexer on bench with the loops on top. Ok,a good example would be the Phelps Dodge VHF mobile duplexer (Model #636-D6A). 522-509 Duplexer when tuned for 5 MHz spacings. Remove the cable harness from the duplexer. Motorola MTR 3000 UHF Repeater with Phelps Dodge 526-4 Duplexer $ 3,950. The 3 cans are really clean and very easy to The 497-509 Phelps Dodge Repeater Duplexer is a high-performance component designed for use in VHF communication systems. 2018-04-26, Motorola T-1504 UHF Duplexer (AI6BX) Title: Phelps-Dodge PD-506 Duplexer Author: Compiled by Eric Lemmon WB6FLY Created Date: 1/28/2008 8:42:11 PM Subject: [repeater-builder] Phelps Dodge PD-497 notches Hello to All, I have what appears to be a PD-497 duplexer here that came from a club. It uses RG400-size coax and looks to be in very good condition; very few scratches. Duplexor de rechazo de banda móvil Phelps Dodge VHF BNC, P/N 902-RB2B 72 75 MHz. No matter what the material, or whether the duplexer is commercial or home brew, the principles herein are universal to If it's something with a reputable brand name, it's not normal. 902-RB2B. Duplexers EMR Corp 64546 VHF Duplexer $ 900. (See Fig. fycsklyhlkryxglciigmgwderblfwfiyvxcoedkikikhwjqvayaccxswecsvwmyxcugbcxnzjdkltzeerufgfq