Al,
The Motorola part number HFD8457A is a VHF mobile notch-type duplexer
made by RFS/Celwave. The Celwave part number is 636-6A-5-3. It is for
150-160 MHz, with 4.5 MHz minimum spacing between TX and RX. It is the
standard duplexer used in GR1225, RKR1225, and GR400 repeaters.
73, Eric Lemmon WB6FLY
Al Wolfe wrote:
>
> I have a Celwave duplexer, number HFD8457A, and no info about it. It's a
> small six cavity unit, probably mobile, and probably 450 or 800 MHz...
> Anyone got a clue as to what this is?...
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