A duplexer can be made to work about any split - even your 750 kHz
split. But, I'm not sure many people make UHF duplexers that will handle
that split. They certainly are not common. If that's a common split in
your country, maybe they do.
Joe M.
Kevin wrote:
>
> Hi All,
>
> I am buidling a 470Mhz PRS here in NZ.
> However on checking the frequencies for RX/TX, I found it was very
> close, less then 1Mhz. For the channel they will be using, it is
> 476.425RX/477.175TX.
> I am sure the radio will be okay, however I am a little concerned on
> using 1 antenna, and running a duplexer.
> Question: can a 70cm duplexer be made to work at <1Mhz, and if so what
> type would he need?
>
> Any information would be helpful.
>
> Regards
>
> Kevin, ZL1KFM.
>
>
> Yahoo! Groups Links
>
>
>
>
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