Brian,
It's odd that your T-1504 duplexer has RG-214 jumpers on it- all of the
ones I have seen used RG-142. You can download the Motorola manual for
this duplexer on the Repeater-Builder site.
RG-142 and RG-400 cable have identical electrical characteristics, but
the BIG difference between them is that RG-142 has a solid steel center
conductor and RG-400 has a stranded copper center conductor. The silver
plating over copper cladding on the steel center conductor of the RG-142
give it identical RF performance to the RG-400, but it won't hold up to
repeated flexing. Since duplexer jumpers normally stay put, you can use
either type in this application.
Silver-plated crimp connectors will give the best performance with
either RG-142 or RG-400 cable.
73, Eric Lemmon WB6FLY
[EMAIL PROTECTED] wrote:
> Hi All, I recently pick up a Motorola T-1504 Duplexer that has RG-214
> jumpers on it.... I've been told or have read in Moto's manual for the
> 1504's: Use RG-142 (have read this and was told to use RG-400
> instead)Use Silver PL-259 ...... (Crimp on or Solder? Thoughts?) I
> have the lengths of the coax from the manual on the T-1504. My local
> source for these cables is now a silent key, so if anyone can refer to
> a good source for the cable/connectors that would be nice...... I've
> been told The Wireman is pretty good. Thanks all!Brian, WD9HSY
>
>
>
>
>
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