When you're going into a repeater that 1.5 dB can matter and is very definitely
matters for moon bounce.
Actually, I'd had to send my rig in to get fixed and I got the duplexer from
Kenwood. Judging by the price they were very very proud of it.
Tom
Tom Brennan KD5VIJ, CCC-A/SLP
web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html