Jan 13, 2018 · I see tons of these and similar mobile notch duplexers for sale. Often they are tuned down in the 406 govt band or 470 to 512 t band. Plus the Chinese are selling knock offs …

Aug 22, 2014 · I need some help. I've searched through the forums, I found threads about the process for tuning a duplexer, and it didn't tell me much that I didn't already know or assume. …

Jan 31, 2015 · As long as your test equipment terminating impendances are the same as the duplexer and load termination, and your test cables are accounted for, it shouldn't matter. I …

Apr 25, 2020 · More Duplexer Specs... I have tested almost every brand UHF Duplexer (have tuned 46 different units) and a little work with VHF units (Tuned about 22). What is best for the …

Nov 1, 2013 · I hope drahtlos04 got his duplexer tuned. Tuning stuff into 50 ohms from 100KW systems to a Ham antenna on the back of a car is what I do.

Dec 16, 2016 · I am thinking of tuning up one of my MTR2Ks and bench testing the duplexer then maybe try swapping the whole rig out, I believe dispatch is using a radio so it could be done …

Feb 22, 2013 · Always verify tuning before installation, though. In low RF environments these work great. Higher RF environments will require additional band-pass filtering. BpBr duplexers …

Feb 4, 2012 · Does anyone have a good source for the Invar rod used in tuning a Sinclair Q3220e duplexer (I got screwed). The unit that I purchased off of ebay had the...

Feb 2, 2020 · Hello Group, The main focus of this post is the question of who makes "THE BEST" duplexer in regard to quality materials, construction and performance AND WHAT FACTS …

Mar 9, 2014 · Testing a "new" setup, a VHF Quantar and a 6 can reject duplexer, at 60W I have 5dB of desense, I have not tried other power levels yet. The setup is radio,duplexer,dummy …