Thanks Ron, I will include these specs in the next revision of the Guide to Duplexer Specifications on the RB site.
http://www.repeater-builder.com/rbtip/duplexerspecs.html I'm always keeping an eye out for data that isn't in there yet. I've added several since the current posted version so it's probably about time to send in an update. 73, Paul N1BUG Ron Wright wrote: > Eric, > > The DB4055 is 5 cavity band reject duplexer from Decibel Products. > > Its notch is 75 to 80 db at 5 MHz. Min freq separation is 5 MHz making it > useless for 2 meters Ham repeater. > > TX noise suppression at RX freq 70 db > RX isolation at TX freq 70 db. > > Max power is 150 W continuous and insertion loss is 0.7 db. > > The versions ar A=150-162 and B 160-174. > > Would be good for something like MARS or other commercial repeater. > > 73, ron, n9ee/r
