Db products duplexer DB-4072. Decibel Products DB4075W, DB4076W, DB4075Z, DB4076Z DECIBEL PRODUCTS A Division of Allen Telecom Inc. It is a 6 cavity notch only duplexer. The Decibel DB4028 800MHz Duplexer is a high-performance, compact component designed for seamless integration into 800MHz dual-band communication systems. 0 dB Max. The DB4059 from dbSpectra is a RF Duplexer with Frequency 148 to 174 MHz, Power 150 W, Insertion Loss 1. Make offer. The copper DB4076W has less insertion loss and better isolation than the aluminum DB4076Z. dbSpectra DSD406-450 PDF: Spec Sheet for 450-470 MHz, Duplexer (DSD406-450) May 1, 2018 · I have been trying to locate a specification sheet for a Decibel Products DB4140-2A VHF Notch Duplexer. By Kevin K. 2 dB, Isolation 70 dB, Loss Tx: 1. ) 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 work for HAM if you are 600 MHz split operation Jan 31, 2025 · “This unit is a DB Products 4-Can Duplexer for 440-470 MHz for Ham, Commercial or GMRS. I'm looking for this info for the duplexer as I have to replace the receive side of the duplexer. 85 and 446 85. Remove the signal generator, the pads, and receiver “A” from the duplexer circuit. 300/449. dbSpectra DBS3060. Jan 7, 2020 · The db Products / dbSpectra DB4060 and DB4062 duplexers are awesome in terms of performance for 2 Meter repeaters. VHF Covers 143-156. 5 2. dbSpectra is certified dbSpectra DSD706M PDF: Spec Sheet for 764-806 MHz, 6 Cavity Multi-Ch. # 19D402955-P9 (Moto. from high SWR (even full reflected power) in the event of broken, damaged, shorted, or disconnected feedline, damaged or iced-over antenna, etc. 57 dB Insertion Loss: 1. 5 dB, Rx: 1. UHF Duplexer Tuning & Testing Prior to Shipping to Client. Custer W3KKC. Two separate antennas Nov 9, 2018 · In this video, I demonstrate (and test) a db Products (Decibel Products) DB4613-1A isolator on a 100 Watt paging system, showing how the isolator protects the P. Today dbSpectra manufactures a full range of products at our plant in Dallas/Ft Worth. at Rx freq. Evidently some guys were modifying the less desirable six can bandpass ‘base duplexer’ (3 MHz split) DB-4046 by removing one pickup loop on each cavity, changing loops on the TX side for longer ones Purchase DECIBEL DUPLEXER MODEL #DB4072 in Philadelphia, Pennsylvania, United States, for US $830. continuous power 150 watts Tx noise supp. 0 dB 80 dB 80 dB 1. Low Pass Branch Isolation: 101. Our technicians performed a 33-point inspection to ensure th Duplexers Decibel Products DB40909-A Transceiver Duplexer | 800 MHz Read more. 18) 29 (736. Box 569610 • Dallas, Texas 75356-9610 214 / 631-0310 • Fax: 214 / 631-4706 DB4055, DB4056, DB4067, DB4068, DB4071, DB4072 Duplexers Decibel Products Page 2 of 2 • November 1995 • 095060-000-A 9. xxxx. Normally I can find spec sheets for most DB Products duplexers but this one seems to be some what of a mystery. 00–$199. It appears to have originally been a 6-cavity duplexer, with type "N" Female connectors to go to the Repeater Receiver, Transmitter and the Antenna. Integrated Duplexer Multicoupler (DSDUP02-9D) We manufacture Land Mobile Radio, Public Safety, and Wireless/Cellular equipment. Get product specifications, Download the Datasheet, Request a Quote and get pricing for DB4062-WOC-C on everything RF I need help with the specs for a DB Products UHF Duplexer with a GE part number. 550/ 467. ) G. I'm interested in the frequency range, Minimum frequency separation and insertion loss. 0 2. A DB-506 is very, very different from a PD-506. 5" FM Duplexer: Connector: N Home Products Duplexers 800 MHz, CSC Milled WF Duplexer All products are proudly designed and manufactured in the USA. 5 DB 4030 -4032 DB-4032 30-35 MHz 35-40 MHz 40-45 MHZ 45-50 MHZ O. Any information will be appreciated. DECIBEL PRODUCTS, AN ALLEN TELECOM COMPANY PHONE 1-800-676-5342 • (214) 631-0310 FAX 1-800-229-4706 • (214) 631-4706 WWW. More details for DB4060-WOC-A can be seen below. 5% similar) Unit can handle 250 watts of power. dbSpectra is certified ISO 9001:2015 and ISO PRODUCTS IMPORTANT. model # D4072-A UHF Repeater Duplexer for use with UHF Repeaters. At DuplexerRepair. We will Read more about the seller notes “This unit is a DB Products 4-Can Duplexer for 440-470 MHz for Ham, Commercial or GMRS. For High Frequency Pass and Low Frequency Re- dbSpectra DSD404-450 PDF: Spec Sheet for 450-470 MHz, Duplexer (DSD404-450) Jan 12, 2025 · Decibel Products Db-4075 Uhf Bpbr Duplexer. The duplexer cavities and cables are contained in a heavy duty metal cabinet enclosure which is floor or wall mountable and provides real protection the cavities and cabling inside, making them perfect for a remote commercial sitting or a home based repeater station. Tuning/Tessting Date: 20-Nov-2017 Mfr. 19D-402955-P5 **tuning included!!** $250. The DB4060-WC-C from dbSpectra is a RF Duplexer with Frequency 157 to 174 MHz, Power 250 W, Insertion Loss 1. Jan 7, 2020 · Author admin Posted on January 7, 2020 Categories Conversion, dbSpectra, Decibel Products, Duplexers, Tuning Services Tags conversion, copper, custom, DB4060, DB4062, dbSpectra, Decibel Products, Duplexer, loops Cool Tuning Job – RFS Corporation WIJD862-06SSP 6-Channel 800 MHz Combiner The DB Products 4030 series of duplexer provides a tremendous amount of rejection of other signals that may be on-site and on nearby frequencies (such as TV channel 2. 4048 duplexer is designed for use with duplex stations or repeaters operating with close frequencv spacing MHz band. Many of Decibel Products’ duplexers (most notably the DB4060 and DB4062 VHF models) utilize precision trimmer capacitors which are the sort of component you love to hate. 5 dB, Isolation 80 dB, Loss Tx: 1. Under certain conditions, the DB-4032 is suitable for coupling two transmitters, two receivers or two simplex stations into a common antenna when the two frequencies involved are separated by 0. dbSpectra is certified ISO 9001:2015 and ISO 14001:2015. Duplexer Multicoupler (8) All products are proudly designed and manufactured in the USA. Db Products DB4068 uhf duplexer. The four cavity Db Products duplexer consists of two band pass and two band reject cavities and tuning stubs. 125 (511. 8 dB GAIN, 406-512 MHz Two DB404 antennas are combined to form the DB408 antenna with its 4 stack collinear array of dual dipoles. ) Jan 31, 2025 · Find many great new & used options and get the best deals for Decibel Products UHF DUPLEXER 440-470MHZ -250 WATT- BANDPASS/BANDREJECT at the best online prices at eBay! Free shipping for many products! Home Products Duplexers 138-150 MHz, Duplexer (DB4059-A) Product categories All products are proudly designed and manufactured in the USA. That is… if they are built as or converted to true “-B” models (and they are in good overall condition. ). 5:1 DB4048 (146-174 MHz) Type: 6 cavity pass-reject Minimum freq. is or be field-tuned if the equtp able: 3, Model OB. Dec 6, 2018 · The db Products / dbSpectra DB4060 and DB4062 duplexers are awesome in terms of performance for 2 Meter repeaters. 60 dB Home Products Duplexers 700-800 MHz, CSC Milled WF Duplexer All products are proudly designed and manufactured in the USA. 178:1 Match Efficiency: 99. 6 or 7. austieiscute (4884) 100% positive; Seller's other items Seller's other items Home Page | Manufacturers | Decibel Products | Dipoles | Quotation | Search | E-mail DB408 BROAD BAND ANTENNA 6. March 11, 2025. Mobile Duplexer (DSD706M) Good condition. 8635 Stemmons Freeway • P. Home Products Duplexers 700 MHz, CSC Milled WF Duplexer All products are proudly designed and manufactured in the USA. ) Subject: [Repeater-Builder] DB products Notch duplexer Can anyone give me the notch and loss figures for the following : DB 4 cavity notch duplexer, the original DB label reads Mod. 80 dB Temperature range -10 to +50C VSWR 1. 73 and thanks AC0Y Sep 20, 2024 · Lot 2 Pair Decibel Products Transceiver Duplexer DB4062-WOC-B Low Pass As-Is USA. 550. GENERAL DB-4048 DUPLEXER TO MAINTAIN MAXIMUM ISOLATION DOUBLE SH ELOEO OH SOLID OUTER COAXIAL CABLE FROM THE DUPLEXER TO THE TX AND CHASSIS. DBSPECTRA's 148 – 174 MHz rack mount duplexer, 4 cavities, pass-reject, N Female, 750 kHz seperation, 70 dB, 150 W. On the low side of the duplexer I get a great notch at 467. ?) and is marked for 450 to 470 MHz. dbSpectra is certified Description. Home Page | Manufacturers | Decibel Products | Dipoles | Quotation | Search | E-mail DB408 BROAD BAND ANTENNA 6. It is a 19" rack mount box that is about 2-1/2 "H and 6-1/2"D. O. 6) manufacturing and supporting legacy Decibel Products LMR site management equipment. The duplexer is designed to provide clear and stable connectivity, allowing for smooth communication without any interference. 19D-402955-P5 **tuning included!!** Sign in to check out. Exchange rates put the initial buying start price at about. PDF: Spec Sheet for 148-174 MHz, VHF Bandpass Reject Duplexer (DBS3060) Thanks to Gary K2UQ, I now have some old documents from DB Products on conversion of these cans to ham application suitable for 600 KHz splits. All products are proudly designed and manufactured in the USA. TECHNICAL DESCRIPTION: The DB Products 4030 series of duplexer are the most reduced size 6 meter duplexer ever designed. Currently DECIBEL PRODUCTS A Division of Allen Telecom Inc. 3) Width 20. Data Sheet on DB's line of power dividers 268 KB PDF file donated by John Lock KFØM DECIBEL PRODUCTS A Division of Allen Telecom Inc. *Factory tuned: specify TX and RX frequencies Mar 20, 2020 · I recently acquired a Decibel Products duplexer, model DB-4072. 5 dB. materials. Manufacturer: DB Spectra Model: DB4060 Part #: DB4060 Description: These low loss duplexer cans were recently removed from a working VHF environment. J&N never forget thrifts (4057) 99. A. However, if it becomes necessary to change the operating frequencies of a duplexer, it may be returned to the factory for retuning or it can be field-tuned if the following equipment is available: A signal generator (50 ohms) capable of producing a signal at the transmitter and In 2005, dbSpectra began manufacturing and supporting legacy Decibel Products LMR site management equipment. More details for DB4060-WC-C can be seen below. 3) 34. 00. Nov 20, 2018 · Author admin Posted on September 26, 2018 January 27, 2019 Categories Duplexers, Filters, Reconditioned Equipment, Repair Services, Repeaters, Technical Articles, Tuning Services Tags 2 Meter, 4060, 4062, conversion, dbProducts, dbSpectra, Decibel Products, Duplexer, overhaul, Repeater Leave a comment on Overhaul and Conversion of DB Products 4 Decibel Products VHF 150-162Mhz Duplexer no. Our reasons are twofold: (1) the theory of operation of a duplex system is easier to understand without the duplexer and (2) the point is shown that a duplex system does not necessarily have to include the use of a duplexer. COM 303 Duplexers Bandpass Reject Duplexer 138 - 174 MHz MECHANICAL DATA DB4060 DB4062 Cabinet Dimensions - in. 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". 74 dB VSWR: 1. 45 dB of IL (Insertion Loss (factory spec is 2. The db Products / dbSpectra DB4060 and DB4062 duplexers are awesome in terms of performance for 2 Meter repeaters. Add to watchlist > 90 dB 8 and 8 19" x 7" x 12" VHF TV Duplexer: Connector: N Mounting: Rack Harness: RG-142 > 44 dB 4 and 4 19" x 7" x 6" UHF Wide-Band Duplexer: Connector: N Mounting: Rack Harness: RG-214 > 50 dB 6 and 6 19" x 10" x 9" UHF Duplexer: Connector: N Mounting: Tabs Harness: Hard Harness > 70 dB 6 and 6 12" x 10" x 4. ) Jan 7, 2020 · I’m a fan of Decibel Products duplexers because they do an excellent job in repeater applications. dbSpectra is certified ISO 9001:2015 and ISO 14001:2015 . Registrar and we were one of the first 200 companies to upgrade our Quality Management System to meet the ISO 9001-2008 standard. Low Pass Branch Return Loss: 37. ) Nov 9, 2018 · Author admin Posted on September 26, 2018 January 27, 2019 Categories Duplexers, Filters, Reconditioned Equipment, Repair Services, Repeaters, Technical Articles, Tuning Services Tags 2 Meter, 4060, 4062, conversion, dbProducts, dbSpectra, Decibel Products, Duplexer, overhaul, Repeater Leave a comment on Overhaul and Conversion of DB Products 4 dbSpectra DB4060-WOC-B PDF: Spec Sheet for 143-156 MHz, Duplexer (DB4060-WOC-B) Isolation, dB 80 100 Transmitter Loss, dB 1. 00 Add to cart. Featured Products. ) COMBINING. 73 and thanks AC0Y The DB4060-WC-B from dbSpectra is a RF Duplexer with Frequency 143 to 156 MHz, Power 250 W, Insertion Loss 1. E. 28 dB . It’s not exactly cheap, but the results are worth it. 5 MHz Insertion loss 1. Nov 9, 2018 · In this video, I demonstrate (and test) a db Products (Decibel Products) DB4613-1A isolator on a 100 Watt paging system, showing how the isolator protects the P. I have acquired a duplexer made by DB for some vendor and has their part number 532-4001-004 instead of Decibels part number. dbSpectra obtained ISO 9001-2000 certification in July 2006 from the National Quality Assurance, U. 025 and tuned up on the ham band. It is a 4 square can similar to a 4076. 2 dB. DB4062-WOC-C - RF Duplexer from dbSpectra. 575 MHz shipping cost is up there a bit so starting (October 10th, 2017) Db4072 Decibel Products Mhz Uhf Repeater Duplexer Db Gmrs Watt (61. 300 MHz Repeater Pair. More details for DB4060-WC-B can be seen below. 5-50 MHz) Type: 8 helical resonators, bandreject Minimum freq. 330% dbSpectra DSD404-406 PDF: Spec Sheet for 406-420 MHz, Duplexer (DSD404-406) Manufacturer: DB Spectra Model: DB4060 Part #: DB4060 Description: These low loss duplexer cans were recently removed from a working VHF environment. dbSpectra is Vintage Decibel Products Transceiver Duplexer model DB-4055 is used and untested, See pictures for better description. Our technicians performed a 33-point inspection to ensure th dbSpectra DB4060-WC-B PDF: Spec Sheet for 143-156 MHz, Duplexer (DB4060-WC-B) Jan 7, 2020 · The db Products / dbSpectra DB4060 and DB4062 duplexers are awesome in terms of performance for 2 Meter repeaters. 5 to 1 -300 to + WC 00-4032 Jan 11, 2004 · Thanks to Gary Katona K2UQ, I now have some old documents from DB Products on conversion of these cans to ham application suitable for 600 kHz splits. But like any piece of hardware, they are not immune to damage or failures. Decibel also sells another version, the DB4076W, which uses copper construction. dbSpectra is certified ISO 9001:2015 and Home Products Duplexers 138-144 MHz, Duplexer (DB4060-WC-A) Product categories All products are proudly designed and manufactured in the USA. 550, at somewhere around -80 db, and great insertion loss numbers. Jan 7, 2020 · Category: Decibel Products Hand-Making Duplexer Loops for Converting DB4060 and DB4062 Duplexers to 2 Meter “-B” Model. Decibel Products DB4056C Key Features: VHF Duplexer 6 Cavity 136-174 MHz Will do 2-5 MHz separation only Will not do 600 KHz split only wide Great for land mobile operation Will tune to frequency 19 in rack mount ready Sep 26, 2018 · With 113. dbSpectra is certified ISO 9001:2015 Buy DECIBEL PRODUCTS DB4072 Uhf Repeater Duplexer Gmrs DB4076W 450 470 250 $55. Box 569610 • Dallas, Texas 75356-9610 214 / 631-0310 • Fax: 214 / 631-4706 DB4057 and DB4058 Band Pass / Band Reject Duplexers Decibel Products Page 2 of 2 • February 1999 • 095061-000-C a. Feb 16, 2025 · Decibel Products Click here for Decibel Products antennas Note that Decibel Products ("DB") and Phelps Dodge ("PD") used similar model numbers at times. Here is the name plate info: GE part number: 19D402955-P10 Freq Band: 450-512 Freq Separation: 3-20 I need Isolation info and anything that you have like equivlent DB part number. 88 dB Insertion Loss: 1. I am tuning this for a gmrs repeater I put together with the frequencies 462. dbSpectra recently became a Home Products Duplexers 148-174 MHz, Duplexer (DB4059) Product categories All products are proudly designed and manufactured in the USA. DECIBELPRODUCTS. spacing 0. Decibel Products DB40909-A Key Features: Transceiver Duplexer 800 MHz 2 Cavity 250w Band Pass / Band Reject 19in rack mount ready Jan 23, 2021 · Decibel Products DB4062-WC-B VHF Duplexer, S/N: D58313 *** Tune and Test / January 23, 2021 *** Low Pass Branch Services performed by www. More details for DB4059 can be seen below. Why No Duplexer? In all of the preceding illustrations, we have not shown the use of a single duplexer. Check out as guest. Box 569610 • Dallas, Texas 75356-9610 214 / 631-0310 • Fax: 214 / 631-4706 Page 3 of 4 • May 1995 • 095064-000-J Figure 2 - Duplexer Layout - Z (aluminum) Cavities DB4075Z - Front View DB4076Z - Front View TXO has the Decibel Products DB-4072 in stock, along with a wide range of used and refurbished telecommunications equipment from all OEMs. Evidently some hams were modifying the less desirable six can bandpass 'base duplexer' (3 MHz split) DB-4046 by removing one pickup loop on each cavity, changing loops on the TX side for longer The DB4060-WOC-A from dbSpectra is a RF Duplexer with Frequency 138 to 144 MHz, Power 250 W, Insertion Loss 1. This item is Haloid Guaranteed Refurbished™. 896-940 MHz, 2 Ch. 37 dB of isolation (factory spec is 100 dB or higher) with only 1. Add to cart. Mar 11, 2025 · Decibel Products DB4060 Cavity Overspray. 2 Receiver Loss, dB 1. Remove the duplexer from the equipment setup and connect Duplexers (32) Filters (23) Multicouplers (68) All products are proudly designed and manufactured in the USA. 9. Nov 24, 2004 · Duplexer Specifications. S MHz more 150 watts 2. 3db on low side 45db rejection / 1db loss on high side 19in Rack Mount Ready I need help with the specs for a DB Products UHF Duplexer with a GE part number. Decibel Products DB4032-8A (30. Two separate antennas I have acquired a duplexer made by DB for some vendor and has their part number 532-4001-004 instead of Decibels part number. by DB Products for General Electric (G. The duplexers are factory-tuned to the exact operating frequencies and shipped ready for immediate installation. dbSpectra DB4062-WOC-B PDF: Spec Sheet for 143-156 MHz, Duplexer (DB4062-WOC-B) LAND MOBILE RADIO (LMR) dbSpectra manufactures Transmitter Combiners, Receiver Multicouplers, Duplexers, Filters, Antennas and Tower Top Amplifiers as well as legacy Decibel Products Land Mobile Radio (LMR) site management equipment. Jan 7, 2020 · At DuplexerRepair. They isolate the receiver from the transmitter and reduce transmitter noise. 3% positive; Seller's other items Seller's other items; Contact seller; US $200. Decibel Products UHF Duplexer Key Specifications: 440-470 MHz 250w Power Rating 3 Cavity Duplexer Band Pass / Band Reject 85db rejection / 1. (mm) Height 34. 2 Return Loss, dB 14 14 Impedance, Ohms 50 50 Power Rating, Watts 250 250 MECHANICAL SPECIFICATIONS Construction/Finish Aluminum/Black Aluminum/Black Input Connector N(F) N(F) Mounting EIA 19-inch Rack EIA 19-inch Rack Temperature Range, degrees -30 to +60 C -30 to +60 C DECIBEL PRODUCTS A Division of Allen Telecom Inc. 2 dB or less), this set is working considerably better than factory specifications. 5 dB 148-174 MHz, VHF Bandpass Reject Duplexer (DBS3060) All products are proudly designed and manufactured in the USA. It was removed from a system using 155. Tags: Module with Connectors. 00 item 7 100W Bandpass/Bandreject 8 Cavity UHF Duplexer N Connector 100W Bandpass/Bandreject 8 Cavity UHF Duplexer N Connector dbSpectra DB4062-WC-B PDF: Spec Sheet for 143-156 MHz, Duplexer (DB4062-WC-B) Jul 27, 2024 · This is a DB Products Co. 5 (876. Box 569610 • Dallas, Texas 75356-9610 214 / 631-0310 • Fax: 214 / 631-4706 Page 3 of 4 • May 1995 • 095064-000-J Figure 2 - Duplexer Layout - Z (aluminum) Cavities DB4075Z - Front View DB4076Z - Front View Decibel Products DB4075W, DB4076W, DB4075Z, DB4076Z DECIBEL PRODUCTS A Division of Allen Telecom Inc. *Factory tuned: specify TX and RX frequencies dbSpectra DB4062-WC-C PDF: Spec Sheet for 157-174 MHz, Duplexer (DB4062-WC-C) DBSPECTRA's 148 – 174 MHz rack mount duplexer, 4 cavities, pass-reject, N Female, 750 kHz seperation, 70 dB, 150 W. Duplexers Sinclair 6 Cavity Duplexer Q201GC-1 (Duplexer only) $ 950. DUPLEXER DECIBEL PRODUCTS A Division of Allen Telecom Inc. com (A service of Alabama Broadcast Services, LLC) Isolation: 99. Nov 26, 2024 · The Decibel Products Db-4076-B Uhf Bpbr Duplexer with free tuning is a high-quality filter designed for UHF band radio communication. 2 dB, Rx: 1. Apr 4, 2024 · Decibel Products VHF 150-162Mhz Duplexer no. Some Background: I had one of these duplexers in the shop that I thought had a bad adjustable capacitor because I couldn't get the notch to tune correctly with the same number of turns as the other cavity. BANDPASS REJECT DUPLEXER DECIBEL DB4075W Attenuation-dB vs. Review DECIBEL PRODUCTS 800mhz Duplexer Decibel DB4028 800MHz Duplexer - A Comprehensive Solution for Dual-Band Communications. I have a few ideas but I'm not sure. Frequency-MHz Low Pass DB4076W 406-512 MHz Two models of this high performance, compact base station duplexer are of- fered for the 406420, 450-470, 470-492 and 492-512 MHz bands. com, we convert a lot of the Decibel Products / dbSpectra DB4062 VHF from higher frequency VHF models (“-C” model designator, 154-174 MHz range) to 2-Meter Ham / Amateur Radio operating range (“-B” model designator, 143-156 MHz range. Box 569610 • Dallas, Texas 75356-9610 214 / 631-0310 • Fax: 214 / 631-4706 Base Station Duplexer Decibel Products Page 2 of 2 • November 1995 • 095158-000-E 8. Box 569610 • Dallas, Texas 75356-9610 214 / 631-0310 • Fax: 214 / 631-4706 DB4060 - DB4062 Tuning Instructions Decibel Products Page 2 of 2 • May 1995 • 095062-000-J Figure 2 - Duplexer Layout Antenna Hi Frequency Low Frequency Low Frequency Pass Cavities Subject: [repeater-builder] Decibel Products DB4075 Does anybody know what lengths the coax jumpers are suppose to be on a DB 4075 tuned to 441. DuplexerRepair. Dec 26, 2016 · I’m a fan of Decibel Products duplexers because they do an excellent job in repeater applications. Browse our catalog and learn how we can meet the needs of your organization. 5 MHz Insertion loss 2. dbSpectra is certified ISO 9001:2015 and Apr 6, 2018 · Overhaul and Conversion of DB Products 4-Cavity Duplexers to 6-Cavity “B” Models We’ve recently converted a couple of sets of Decibel Products (a/k/a/ dbProducts and dbSpectra) 4-Cavity 4060-WOC-C duplexers to 4062-WOC-B models. com, we convert a lot of The cavities in this Decibel DB4076Z duplexer are made of unplated aluminum. S. Well worth the investment of time, money, and energy. 57 dB Return Loss: 21. . 80 dB Rx isolation at Tx freq. 95; compatible model:Db-4076w; band:Uhf; compatible brand:Db Products; Other Parts Accessories For Sale sku: 2776209516725371 Nov 13, 2024 · “This unit is a DB Products 4-Can Duplexer for 440-470 MHz for Ham, Commercial or GMRS. Part #: 19C307166P1Z DBP Part #: 040165-002 S/N: D71655-4 Frequency: 444. abkdeftikvwhaoxatlxuhlgdwrqkolelsvxfnekuplnuudqpjicgbpdhoazzjlfddfbfunix