6 Cavity Duplexer

Mavitek MUD series band pass/band reject, 6 cavity duplexers are designed and produced for the 380-470MHz band. Our 2-inch cavity duplexers are ideal for compact, high isolation installations. com/409shop_product. Our 4" and 6. Sinclair Technologies 4-Cavity Mobile Duplexer 806-960 MHz (MR454N-1-1) Sinclair's MR series is a compact mobile duplexer utilizes four rugged, carefully temperature-compensated helical resonators housed in a lightweight, aluminum extrusion. The DIY Duplexer for Amatuer Service : SARA Coverage map Visit the Official SARA Web Site at www. 8 GHz applications. From £206 £247. The Notch configuration passes a wide band of frequencies either side of a symmetrical narrow adjustable notch. Another 6-cavity 4062-WOC-B set we recently converted, overhauled, and built, reassembled and ready for final tuning and testing. In radar and radio communications systems, it isolates the receiver from the transmitter while permitting them to share a common antenna. Inside is a smaller tube, attached to the lid of the can. Find many great new & used options and get the best deals for 65W Duplexer UHF 6 CAVITY DUPLEXER for radio repeater N connector UHF Duplexer at the best online prices at eBay!. Cavity Band Pass Filters (0. UHF 6 CAVITY DUPLEXER. 175 N Connector,Min/Max TX and RX Frequency Difference: UHF 3mhz/7mhz $139. This is a 350 watt rated duplexer that can be tuned to frequencies between 138-174 Mhz. I will be using an HP 8648A signal generator and a HT and was wondering two things. Fumei Different Frequency Combiner MX72 Repeater Duplexer HF/VHF 1. - an economical alternative to standard air-cavity filters. wives tales. Icom IASDUP1037 440-470 MHz 6 cavity 50W internal duplexer, 5MHz TX-RX separation. Home Forums > Online Swapmeet > Ham Radio Gear For Sale > Wanted 6 cavity duplexer for UHF 70cm. 25W UHF 6 Cavity Duplexer for Radios Repeater SL16 & BNC Connector Ham two way radio Duplexer. 0 Store: Stivate Computer Store. Low-band VHF Hybrid Ring Heliax Duplexer Performance on 6 Meters Shown above is a graphic displaying the performance of a Hybrid Ring Duplexer using a 3rd generation design notch stub. They perform simultaneous receive and transmit function into the same antenna with minimum insertion loss and maximum performance. 99 Sold By: Two Way Radio Add to cart; Sale! 25W SL16 BNC 6 Cavity UHF Duplexer for Ham Radios Repeater Duplexer. 01 Firmware DMR Analog 120-240v & 12v Good for HAM & Brandmeister 6 Cavity Celwave Duplexer 6 Cavity Notch Duplexer 440-470 MHz 50w 95 dB isolation 1 dB loss Type N connectors. COMPROD 138-174 MHz pass/reject duplexer 500kHz min spacing. Duplexer products are most popular in North America, Mid East, and Western Europe. Whether your application has a challenging T-R frequency spacing or requires broadband duplexed windows to implement a single antenna system, our duplexers provide the transmitter and. Later I began making duplexers from spun-aluminum commercial cake pans. com Click Here to Email-- Click Here to View Picture-- Send this Ad to a Friend. > > Im searching for alignment spec's on a 6 cavity > Celwave duplexer. This is a 50W 6 cavity VHF duplexer with multiple stop-band filters. 400watts, 1. The DPF 2/6 is a 6 cavity duplexer designed for the 160 MHz band and is available with 3 different duplex spacings. The Q-202GR-1 is a 4 cavity duplexer, for use with minimum frequency separations of 500 kHz or greater, in the 132-148 MHz band. 5 mm silverplated helical resonators, 19 mm diameter. Parameter TX RX Frequency Rang 788-806MHz 758-776MHz Return loss (Normal Temp) ≥18 dB ≥18 dB Return loss (Fu. Diamond MX-72H Duplexer HF 144/430MHz Base Station Antenna Combiner $ 98. After assembly and before final tuning all of the tabs on all lids are bent with pliers to make a good tight contact with the drum. - Leading supplier of wireless communications infrastructure and mobile products. * This is a general representation of the FT Series Q202G duplexer frequency response curve. Get it as soon as Wed, Sep 4. 625" diameter cavities. Cavity duplexer duplexers were truthfully then still a very big mystery to me, as they currenly still are for many. COMPROD 138-174 MHz pass/reject duplexer 500kHz min spacing. Decibel products db 4072 duplexer 6 cavity band pass band reject rack mount n fittings the cans and interconnecting cables are enclosed within a metal housing instead of being open. Figure 1: Block diagram of a typical four-cavity Vari-Notch Duplexer (6. Details about UHF 6-cavity Duplexer incl. Make sure to watch our video on how to tune the TPRC-1505 prior to viewing this. 95 ghz 2: -2. 5 MHz from center frequency as built. Cavity Filter, Duplexer, Diplexer & Multiplexer Cavity Rejection Filter Specification Part Number Rejection Band-Width(MHz) I. Exceptional customer service_And technical support_Are on hand to support our customers with Diplexers needs. Photo 6 A close-up of the resonator and coupling loops, note the large spacing from loop to resonator. Measurement of a 6 cavity duplex filter of brand Procom and type DP2/6S equivalent to DP2/S6H I suppose the S indicates (Special) because it is manufactured with BNC connectors. BL-19N Duplexer PCS 1900+G Tx 1930-1995 Rx 1850-1915 60W Type N. The DPF 70/6… is primarily intended for equipment, where the. • 1-year warranty. frequencies are stated when ordering, the duplexers are delivered factory adjusted. They perform simultaneous receive and transmit function into the same antenna with minimum insertion loss and maximum performance. 2017 N0CRD 6 meter Duplexer Heliax used for building duplexers for 6 meters. A $300 2m repeater duplexer and cavity resonators-hardware shop special Introduction I have been experimenting with cavity resonators for a 2m repeater for some months now. 896-940 MHz, 6 Cavity Multi-Ch. Our standard RF filters are essentially previously design RF filters that have been produced. This is a clean, used vhf 6 cavity duplexer recently removed working from public safety service(posted on April 15th, 2017) 636-6a-5-3 Radio Frequency Systems Rfs (61. Support Frequency: UHF 380-520Mhz. RFS UHF 6 cavity Mobile Duplexer 450 470mHz GMRS HAM Perfect. US Stock, with Warranty & service, Compact 6-Cavity VHF Duplexer BNC for Repeater 145-176 MHz. 99 Sold By: Two Way Radio Add to cart; Sale! 25W SL16 BNC 6 Cavity UHF Duplexer for Ham Radios Repeater Duplexer. insertion of 1. This completes the duplexer pre-tune-up. Sale ends in 15d 11h 30m. Free Postage. Please allow 1 to 2 weeks for manufacturing and tuning of this duplexer. 625" diameter cavities are constructed of hardened aluminum which, unlike most copper cavities, resists denting and associated detuning. MVD series duplexers house blue enamel painted copper cavities. A wide variety of cavity duplexer options are available to you, such as paid samples. Classified ad for RFS/Celwave 6-Cavity UHF Duplexer. Our standard RF filters are essentially previously design RF filters that have been produced. 5: 1 over the entire tuning range. Taidda VHF Duplexer, Sturdy Durable 6 Cavity Duplexer Diplexer 25W VHF 75dB N-Connector for Wireless Radio Repeater for Improving The Output Power. I didn't think to make notes or take pictures of the spectrum analyzer while testing the prototype, so you'll have to take my word for it. for radio repeater N connector. The DPF 2/6-150… is a 6-cavity high-power, base-station duplex filter for the frequency band 138 - 175 MHz. I've seen a low-band repeater with a conventional 6-cavity duplexer with one side feeding the repeater receiver. 773GHz Cavity Duplexer products_Are RoHS_And REACH compliant. I didn't think to make notes or take pictures of the spectrum analyzer while testing the prototype, so you'll have to take my word for it. 00 Sold By: Two Way Radio Add to cart; Sale! UHF Talkie Walkie 25W 6 Cavity SGQ-889 Duplexer Repeater SL16/UHF-M Connector $ 126. With over 20 years of professionalism, LABEL ITALY is nowadays one of the leaders in the telecommunications and broadcasting industries with complete and continuously growing product portfolio. Over the span of four decades the SMC team has provided quality solutions to countless microwave applications and developed highly successful components that are being used in microwave systems around the globe. COMPROD 138-174 MHz pass/reject duplexer 500kHz min spacing. - Leading supplier of wireless communications infrastructure and mobile products. Our 6 cavity 4-inch duplexers are ideal for high power, close frequency separation installations. The basic building block of a duplexer is a resonant cavity, which is essentially a 1/4 wavelength section of coax (very BIG coax), shorted at one end. 400watts, 1. Get great deals on eBay!. Table 1 shows the model numbers and electrical specifica-tions of the duplexers covered by this manual. Serial Parameters RX TX 1 Center Frequency (F0) 1438MHz 1486MHz 2 Pass Band Frequency 1428~1448MHz 1476~1496MHz 3 Pass Band Insertion Loss ≤1. 5 MHz and 836. Most radio repeater systems include a duplexer. 0dB Nominal Impedance: 50Ω V. 259,525-272,400 Mhz -> BUY IT NOW ONLY: $225 on #eBay #duplexers #fiplex #mobile #duplexer See more. for radio repeater N connector. IF you are going to be at a commercial site (other repeaters, pager systems, mobile phone) -- you absolutely need at least 70 dB and sometimes up to 110 dB isolation --- for a reliable and operational VHF repeater system. Mobile Duplexer (DSD906M). This duplexer is designed for transmitters and receivers with a frequency spacing of 400 KHz or more. The proper way to tune a cavity or a duplexer is to use 6 dB or 10 dB 50 ohm pads between the test equipment and the cavity or endmost duplexer can, as that ensures that pad "masks" any non-50-ohm-impedance in your test equipment and ensures that the duplexer is really tuned to precisely 50 ohms. Fumei Different Frequency Combiner MX72 Repeater Duplexer HF/VHF 1. These filters are designed for combining two frequencies that require extra isolation or can be used as efficient pre-selectors. Because of its superior construction this Telewave 5 cavity duplexer achieves greater rejection of. CMT Filters | 916-631-4363 | Pollock Pines, CA. Click the image to get a hi-res version. 136-148 MHz 6-Cavity Mobile Duplexer, BNC Female Talley Inc. Preface: The aim of the measurements is to prove the argumentation in the document issued, with the name. 8dB † Isolation Min: 80+ dB Type 85 dB † N Female Connector EMR64536/ENC VHF 6 Cavity Base. ★ 1X New VHF 6 CAVITY DUPLEXER for radio repeater N connector SQ 50W. One big problem we're going to need to overcome is the duplexer on the antenna. Mobile Duplexer (DSD906M) 896-940 MHz, Milled Window Filter Duplexer (MWFDP9AM) We manufacture Land Mobile Radio, Public Safety, and Wireless/Cellular equipment. The pass band. 625" diameter cavities) Tuning Procedure. About 15% of these are walkie talkie, 13% are repeater, and 13% are fiber optic equipment. 5 MHz from center frequency as built. Description : Sinclair VHF RES-LOK duplexer, model number Q2330E. VHF 50W 6 CAVITY DUPLEXER FOR REPEATER FREE TUNING UK7 0 results. Traditional VHF repeaters use huge resonant cavity filters to get something like 70 dB of isolation, but for us this just isn't practical, both due to size and the manual tuning requirement. Category Telewave TPRD-1554 Cavity Duplexer Tuning - Duration: 9:42. They perform simultaneous receive and transmit function into the same antenna with minimum insertion loss and maximum performance. In radar and radio communications systems, it isolates the receiver from the transmitter while permitting them to share a common antenna. About 28% of these are telecom parts, 6% are repeater, and 1% are filters. Strider Custom XL Kiridashi grind tanto blade & textured grips folding knife: $2,400. Please read our Standard Disclaimer regarding content of this site. BROADCAST, ANTENNAS AND CAVITY FILTERS. 175 N Connector 0. the Tx to Rx rejection is very good. Band Pass Filters. The client gets a complete report of the testing, including the network analyzer graphs showing proof of performance. Re: [Repeater-Builder] tuning 6 cavity duplexers with an MFJ-269 analyzer Jim Brown Thu, 06 Jul 2006 06:41:47 -0700 The biggest problem you would have with the MFJ is signal leakage from your source signal. Per duplexer: 300€ Shipping by postal service with tracking: Europe & USA: 30€, other countries on case by case. Includes RF interface cables, mounting, and factory tuning. ★ Minimum Tx and Rx frequency difference: VHF 3. The filters that make up the duplexer isolate the transmitter from the receiver by filtering out. US Stock, with Warranty & service, Compact 6-Cavity VHF Duplexer BNC for Repeater 145-176 MHz. Sinclair Technologies YA3-03194-01R1 UHF 2 Cavity (6. 75'') Duplexer with Dual Ferrite Isolator, Rack Mount, Frequency TX:422. 6-Cavity Duplexer for the 450 MHz Band DESCRIPTION: The DPF 70/6 isa 6-cavity duplex filter for duplex radiotelephones. Find many great new & used options and get the best deals for 50w VHF 6 Cavity Duplexer N Connector Tune Radio Repeat 136-180mhz at the best online prices at eBay!. The pass band. Anatech Electronics Inc, actively involved in design, manufacturing and supply of RF and Microwave components provides Cavity Duplexers/Diplexers used in WIFI 2. 25W RF 6 Cavity SL16 BNC UHF Walkie Talkie Repeater Duplexer Specifications: 25W RF power Handling 6 cavity Design Maximum Tx and Rx frequency difference: UHF 10Mhz Power Isolation >75dB Power loss <1dB Nominal impedance: 50 V. Talley stocks a wide variety of infrastructure products. About 6% of these are filters, 5% are repeater, and 5% are telecom parts. 5in diameter. After assembly and before final tuning all of the tabs on all lids are bent with pliers to make a good tight contact with the drum. the Frequency space must >3. Band width is 430MHz to 470MHz. Products Manufacturers, Factory, Suppliers From China, Our products enjoy good popularity among our customers. CTS ceramic duplexers are especially well-suited for use in indoor and outdoor Small Cells from Pico Cells to Metro Cells as well as Distributed Antenna Systems (DAS), Active Antenna Arrays / System (AAS), Remote Radio Heads, and other wireless infrastructure systems as well as Military, Public Safety, and Aerospace solutions. 5:1 insertion loss TX ant-db Gs-35f-0548p 70. These filters are designed for the combination of 2 frequencies that require extra isolation or they can be used as an efficient pre-selector. Celwave 633-6a Duplexer Rfs 406. Completely disconnect one cavity at a time from the duplexer by removing its normal inter-cavity cables. This type of cavity is typically used in pairs to create repeater duplexers. 30 Micro UHF 450-470MHZ 50W repeater duplexer N connector Motorola icom vertex. TPRD-1556 - Pass-Reject Base Station Duplexer - 144-174 MHz. There are a range of duplex spacing options available. xxx and TX 462. Generically, filter of this kind are known as notch filters. Includes one LMR-400 interface cable. RFS 450-470 MHz mobile duplexer. Please mark on paypal payment note ). Type: 50W 6 Cavity UHF Duplexer. 2 6 cavity Sinclair duplexers in VHF range. The Notch configuration passes a wide band of frequencies either side of a symmetrical narrow adjustable notch. Wainwright Instruments manufactures RF Filters, Microwave Filters, Lowpass Filters, Highpass Filters, Bandpass Filters, Band Reject Filters, Notch Filters, Diplexers, Multiplexers in L/C, Cavity, Helical and Tunable Designs. - 6 cavity Design - Minimum Tx and Rx frequency difference: VHF 8Mhz - Power Isolation >75dB - Power loss <1dB - Easy to build your repeater - VHF 135-175Mhz- Free Frequency Tuning - send me the high / low frequency - N connector Size: - 15. 5 dB insertion loss. Sinclair Q2330E Q-Circuit Quasi-Bandpass Duplexer, 138-174 Mhz, Frequency Separation 500 KHz, Power Rating to 350 Watts, 6 Cavities, N Female Connectors, 9. 4 GHz and WIFI 5. for radio repeater N connector. 1300-2600MHz Bandpass Cavity Filter. Low-band VHF Hybrid Ring Heliax Duplexer Performance on 6 Meters Shown above is a graphic displaying the performance of a Hybrid Ring Duplexer using a 3rd generation design notch stub. The basic building block of a duplexer is a resonant cavity, which is essentially a 1/4 wavelength section of coax (very BIG coax), shorted at one end. Asking $600 or best offer Model 497-1-1 (136-150 MHz) Type: 6 cavity Minimum freq. TPRD-4546 - Pass-Reject Base Station Duplexer - 400-512 MHz. When multiple cavities and cables are configured as a system, such as a duplexer; this system may exhibit different return loss seen at different ports. SYS-4533-xP series Mobile Duplexer uses six capacitively tuned TEM resonators in a compact; extruded 6063-T5 aluminum templated housing, use solid shield copper jacketed Teflon intercabling for low loss and the entire unit is electrostatically painted for additional protection. BL-36N Duplexer IMT 2100 Tx 2110-2170 Rx1920-1980 80W/40W Type N. This instruction manual (part# 7-9176-1) covers the installation, tuning, and maintenance of. 99 Sold By: Two Way Radio Add to cart; Sale! 25W SL16 BNC 6 Cavity UHF Duplexer for Ham Radios Repeater Duplexer. JQL offers the Low PIM compatible solutions matching to K&L, Kathrein, Filtronic. Duplexer products are most popular in North America, Mid East, and Western Europe. Base Station Repeater Duplexer High Power 50W 6 cavity Duplexer for Mobile Radio FM Transceive FOB Price: USD $55 / Piece Min. Preface: The aim of the measurements is to prove the argumentation in the document issued, with the name. You may also like. Date 2014-8-27 I T F Co. Understanding, Maintaining & Re-Tuning Antenna Duplexers A band pass duplexer using six band pass type cavity resonators is shown in schematic form in Figure 1. This is a 50W 6 cavity UHF duplexer with multiple stop-band filters. 2~2dB) • Excellent Temp. 8Mhz,N Connector Connector. UHF Six Cavity Duplexer - GMRS Repeater I recently purchased this duplexer for use with a GMRS repeater operating at 20 watts on 462. Base station duplexers are designed to handle higher base radio power and generally designed to be mountable in standard equipment racks. Duplexers Base Station Duplexers 30 - 1300 MHz Compact Mobile Duplexers - 70 to 960 MHz Pass-Reject Duplexer Field Tuning Instructions Base Station Duplexers Base Station Duplexers 30 - 430 MHz Prices include interconnect cables and mounting rails or panels. Receive Path Performance click for larger image (24KB) Receive Pass Cavity. 4 dB of insertion loss and provide 75 dB or more rejection. Actiplex™ Superior Performance Space Saver “An economical alternative to standard air-cavity filters” LOW RIPPLE, TCAS & InMarSat Optimized Ripple Low Insertion Loss CTS offers over 15 standard duplexers and 50 standard band pass filters with industry leading low ripple performance. 0dB Nominal Impedance: 50Ω V. ROCOW * The DPF70/6 can be adjusted within the complete 406-470 MHz band. As an example, mobile duplexers are designed to handle low power and are very compact in size. and maintenance of Vari-Notch duplexers con-structed from 6. 0 out of 5 stars 1. When multiple cavities and cables are configured as a system, such as a duplexer; this system may exhibit different return loss seen at different ports. To build a duplexer for 440 to 450 band get 4 coffee cans at least 36 ounces or larger. Diamond duplexer feature quality aluminum construction and black finish. xxx and not the /exact/ frequency?. The repeater's output power is set to 100 watts after the duplexer and it is located at the Worcester Airport. The DPF 2/6 is a 6 cavity duplexer designed for the 160 MHz band and is available with 3 different duplex spacings. Variable tuning capacitor 4. Cavity, > 5000 for a 6 in. ★ Easy to build your repeater. Fabrication involves cutting very thin slots across the waveguide and soldering an iris in each slot. 6-Cavity base station duplexers for the 450 MHz band DPF 70/6-150 9/11. Cavity filters are the basic circuitry behind a Duplexer and are sharply tuned resonant circuit that allow only certain frequencies to pass. Variable tuning capacitor 4. Quick view. The cavities are done one at a time. 25W RF 6 Cavity SL16 BNC UHF Walkie Talkie Repeater Duplexer Specifications: 25W RF power Handling 6 cavity Design Maximum Tx and Rx frequency difference: UHF 10Mhz Power Isolation >75dB Power loss <1dB Nominal impedance: 50 V. Specifications: - 50W RF power Handling - High Quality 6 Cavity Design - Minimum Tx and Rx frequency difference: VHF 3. 01 Firmware DMR Analog 120-240v & 12v Good for HAM & Brandmeister 6 Cavity Celwave Duplexer 6 Cavity Notch Duplexer 440-470 MHz 50w 95 dB isolation 1 dB loss Type N connectors. 5MHz Spacing,BNC-F Talley Inc. More Buying Choices $164. A “tee” junction and two more cables connects the two branches with the antenna feed line. Decibel products db 4072 duplexer 6 cavity band pass band reject rack mount n fittings the cans and interconnecting cables are enclosed within a metal housing instead of being open. Please use the filters below to select your product, or call us for availability and pricing at 1 (877) 367-7369. Duplexer loops on the receive pass cavity were left in approximately the same position as they were received, which yielded approximately 0. Model AD1542-1643D296 from Anatech Electronics is a cavity duplexer designed for L-band applications including radar, communications, and avionics systems. • 1-year warranty. ) Return Loss (dB, Max. Sigma Wireless Technologies 6 Cavity UHF Duplexer UHF 440-470 MHz THIS UNIT REQUIRES TUNING TO YOUR FREQUENCIES BEFORE USING. Talley stocks a wide variety of infrastructure products. wives tales. TPRD-1556 - Pass-Reject Base Station Duplexer - 144-174 MHz. Separation of frequency of 5 to 8 MHz; Loss of max. The model number on the > unit is as follows. 150-160 MHz 6-Cavity Mobile Duplexer,4. WTB: UHF 6 Cavity Duplexer mobile [email protected] Swap: 0: January 19th 05 07:57 PM: WTB: UHF 6 Cavity Duplexer mobile [email protected] Swap: 0: January 17th 05 10:48 PM: BOLO STOLEN XTL5000 mobiles here are serials and models: john private smith: Swap: 2: January 6th 04 05:01 AM: a page of motorola 2way 2 way portable and mobile radio. QRZ Forums. CAVITY DUPLEXER www. Package content. 5in diameter. Re: [Repeater-Builder] tuning 6 cavity duplexers with an MFJ-269 analyzer Jim Brown Thu, 06 Jul 2006 06:41:47 -0700 The biggest problem you would have with the MFJ is signal leakage from your source signal. Duplexer assembly being put through final tuning and performance testing and verification. The duplexer is delivered in two basic models:. 4 GHz and WIFI 5. 0 out of 5 stars 1. FREE tuning mini 20W VHF 6 CAVITY Duplexer for RADIO-TONE REPEATER antenna. Purpose of This Book. 25W UHF 6 Cavity Duplexer Repeater N-connector for Motorola Kenwood ICOM Two Way Radio Notice: Please make note what frequency you want (High/Low) after you pay it. On the transmission side thereof, TM double mode dielectric resonators and a TM triple mode dielectric resonator are arranged in a line so that their opening surfaces face the same direction. Figure 1 shows the completed duplexer in operation on the K9EYY repeater. TESSCO/Field tuned. Full text of "How To Use Duplexers" See other formats How to use duplexers: Isolation requirements Part 1 — Duplexers in various forms isolate simultaneously operated transmitters and receivers. The standard RF filters are sub-divided into categories such as Band pass filters, low pass filters, high pass filters, band stop & Notch filters, duplexers & diplexers, triplexers and various other types of RF filters. 3:1 6 Stop Band Attenuation ≥70dB @ 1476~1496MHz ≥70dB @ 1428~1448MHz 7 Impedance 50 ohms 8 Power Handling ≤10W 9 Connectors SMA-Female 10 Operating. 5 Mhz - Maximum Tx and Rx frequency. Our 4" and 6. the Frequency space must >3. Contact Now. Mobile Duplexer (DSD906M) 896-940 MHz, Milled Window Filter Duplexer (MWFDP9AM) We manufacture Land Mobile Radio, Public Safety, and Wireless/Cellular equipment. 7% similar) 4 number of cavities 6 cavity size 5 in maximum power input 350 with vswr International customers should contact us for shipping quotes as we have agreements with other carriers and can provide better pricing than what is offered through here. 223*168*88(excluding connectors & screws) Note:Except for this example, all other Tetra frequencies are available. Table 6-1: Tune-up rules. We have a very active local 6 meter FM group and the repeater gets a fair amount of use each day. More information on the Celwave or Phelps Dodge mobile duplexer can be found here:. The DPF 4/6-HX-150 is a six-cavity high-power mobile or base station duplexer for the 68 - 88 MHz band. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits. This band-pass/band-reject duplexer provides maximum TX-to-RX isolation with minimal insertion loss. Physically a cavity filter is a resonator inside a conducting "box" with coupling loops at the input and output, as follows:. XPR 8300 VHF 30w 136-174 MHz. Low Price!. The top supplying country or region is China, which supply 84% of uhf 6 cavity duplexer for radio repeater respectively. These duplexers are made of cavity filters. Add to quote. 67 MHz by 40 dB, yet 53. Find many great new & used options and get the best deals for UHF 6 CAVITY DUPLEXER for radio repeater N connector UHF Duplexer at the best online prices at eBay!. Shenzhen Xinlun Communication Technology Co. TPRD-1556 - Pass-Reject Base Station Duplexer - 144-174 MHz. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. RFS 450-470 MHz UHF mobile duplexer. When pre tuning only bend 3 tabs on the lid. > Hello Group. This pass-reject duplexer is ideal for systems with very close frequency spacing. The client gets a complete report of the testing, including the network analyzer graphs showing proof of performance. is adjusted while observing the return loss response and the rejection notch is adjusted by. ★ Fit for Motorola Repeater Enclosurer. When multiple cavities and cables are configured as a system, such as a duplexer; this system may exhibit different return loss seen at different ports. The duplexer which has each 6 poles has elliptic function characteristics and low fisertion loss of about 0. 4062-WOC-B Duplexer built by converting a new set of 4060-WOC-C cavities to "B" models, and overhauling and converting two additional "C" cavities from a failed set, resulting in a great working 6-cavity "B" model with over 100 dB of isolation in each branch. 5 MHz Insertion Ham Radio VHF Celwave Duplexer - 6 Cavity (Lancaster, PA) $600 - JLA FORUMS Ham Radio VHF Celwave Duplexer - 6 Cavity (Lancaster, PA) $600. Diamond MX-72H Duplexer HF 144/430MHz Base Station Antenna Combiner $ 98. Diplexer / Duplexer, WT Microwave INC. Tuning of the filter requires adjustment of the pass band and the rejection notch. Up for sale is my dbSpectra Decibel Duplexer Bandpass/Reject VHF 6-Cavity Filter, model DB4062-WOC-B. A 6 cavity setup will have 3 cavities for the receive and 3 for transmit. Decibel products db 4072 duplexer 6 cavity band pass band reject rack mount n fittings the cans and interconnecting cables are enclosed within a metal housing instead of being open. Details about FREE tuning mini 20W VHF 6 CAVITY Duplexer for RADIO-TONE REPEATER antenna. LINKS: I did a lot of web surfing on heliax duplexers. Search High Quality RF combiner duplexer Manufacturing and Exporting supplier on Alibaba. A wide variety of 6 cavity duplexer options are available to you, such as vehicle mouted, handheld. This band-pass/band-reject duplexer provides maximum TX-to-RX isolation with minimal insertion loss. 67 MHz by 40 dB, yet 53. This is a 50W 6 cavity UHF duplexer with multiple stop-band filters. Talley stocks a wide variety of infrastructure products. The coupling loops on the transmit pass cavity were set for minimum insertion loss (about 0. Make sure to watch our video on how to tune the TPRC-1505 prior to viewing this. Please buy because I have a son to put through law school. Various duplex spacing options are available. The Duplexer - Beg, Buy or Build? Posted on April 15, 2012 by kd2sl Yet another view from the tower, looking W-NW toward I-81, Onondaga Hill, Camillus, etc. When and where to use a duplexer Principal Engineer Ian Graham explores a common question in radio system design: whether to deploy duplexers or to use separate transmit and receive antennas. TYPICAL RESONATOR Qu VALUES: 2000 for 4 in. Required Frequency Range(GHz) : All. An update video showing the recent changes to the 70cm duplexer at the VK5REX D-Star repeater. Option for KENWOOD repeaters. The Quantar is currently operating in mixed mode, allowing for simultaneous P25 digital and analog operation. Home Forums > Online Swapmeet > Ham Radio Gear For Sale > Wanted 6 cavity duplexer for UHF 70cm. A duplexer is an electronic device that allows bi-directional communication over a single path. 5 dB insertion loss at 500 KHz separation • Isolation of 80 dB at 3 MHz spacing typical. We were able to tune these very quickly and easily using the new Chinese KC901H network analyser (more about that in another post). BNC/F term 6 cavity 80dB isolation. Preface: The aim of the measurements is to prove the argumentation in the document issued, with the name. On the face of it, using a duplexer to reduce the number of antennas required by the system sounds like a great idea. 2017 N0CRD 6 meter Duplexer Heliax used for building duplexers for 6 meters. com/409shop_product. More Buying Choices $164. By Brian J. 25W UHF 6 Cavity Duplexer for Radios Repeater SL16 & BNC Connector Ham two way radio Duplexer. For All Your UHF Band Needs, Contact RFI Wireless Now!‎. This is a 350 watt rated duplexer that can be tuned to frequencies between 138-174 Mhz. A couple of old cavity resonators were discovered in the back shed. Here is some pictures from other groups who have built one. php?id=122281 20W VHF Duplexer 6 Cavity(SMA-connector) Specifications: 20W RF power input. The duplexer I built has a measured 95 dB of isolation and 1. ★ 1X New UHF 6 CAVITY DUPLEXER for radio repeater N connector SQ 50W. MICRO-1504-C4.