I am the proud(?) new owner of what a believe to be a T1507
duplexer. I believe it is a bandpass only duplexer. I use, and am
familiar with, the T1504's which are Bp-Br duplexers. If the
duplexer in question is actually a T1507 it would seem to have
inferior receiver isolation of 55 dB vs 80
55 dB should be adequate isolation for a repeater,
unless you are running a high gain pre-amp and/or high
power.
These duplexers are better in most ways than the BP/BR
type because they provide better isolation at most
frequencies further removed from the TX/RX. A small
spur on your TX that is
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