If it were a notch-only duplexer, it would have two
reject freqs listed. A duplexer is used on two
discrete frequencies, so both should be present on any
label. A pass freq plus a reject freq indicates the
unit is doing both pass and notch. Still fine for one
half of a duplexer.
Bob M.
======
--- "Daron J. Wilson" <[EMAIL PROTECTED]> wrote:
> >The blue sticker has what appears to be 152 or 153
> on
> >it, but that could just be the three left cavities.
> >Also, it only shows PASS and REJECT freqs; a real
> >duplexer would have high-pass and low-pass freqs
> >listed.
>
> Yes, these cans may have been sold the first time on
> 152 or 153, that
> doesn't mean it won't do 145. My commercial
> duplexer on my VHF repeater was
> originally ordered and used in the 152 commercial
> stuff, the sticker says
> so, but it still tunes and works fine at 147.
>
> A real duplexer would have high pass and low pass
> frequencies listed? What
> if it were a notch only duplexer? A 'real' duplexer
> is under no such
> requirements.
>
> 73 N7HQR
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