You'll place a lot of strain on the mini-UHF connector
on the back of the radio if you use a small adapter
connected directly to the coax.
Use a short jumper made from RG400 (more flexible than
RG142) with a mini-UHF-male on one end, and whatever
you need to mate with the LMR at the other end. The
less adapters, the better. A very common cable would
be N-male to mini-UHF-male, so if you can attach an
N-female to the LMR, you'll only have one short jumper
cable to deal with.
If you have a lightning arrestor in line, you might be
able to terminate the LMR at that device, then run a
suitable length of RG400 from that to the radio. Make
the connectors directly mate with the arrestor.
N connectors are better above 300 MHz (the real UHF
band) than PL-259s.
Bob M.
======
--- Mike Wolthuis <[EMAIL PROTECTED]> wrote:
> I have two CDM 1550's for link radios on UHF I want
> to feed with LMR-
> 400 because they are about 80ft runs up a commercial
> tower.
>
> I need to get from LMR-400 to mini uhf connector on
> the radio.
> Everyone has told me not to use the adapters, but to
> use a cable that
> is PL-259 to mini uhf.
>
> Is this my best option? Does anyone have a source?
>
> Thanks,
> Mike
> kb8zgl
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