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I have a lafayette telsat ssb140 I can not get my 4 wire d104 to work on it,when I wire it up it has tx and rx but when I key to talk I get talk back and this radio does not have it what am I doing wrong
here is a link to the owners manual for your radio, and in the alignment procedure, you will find a layout of the mic pins and what number they are. Lafayette Telsat SSB140
Please advise me to what is a good replacement mic for my SR-497HPC... Answer: 497 is "wired like Cobra", so many choices available. That radio does not need a power mic, so purchase a stock "coffin style" mic with a decent cord, like the ones that Astatic uses. The Superstar DM-507 is my go-to. https://www.ebay.com/itm/3050474478...adANq91JSiEEnz8EGqPJRBloTgEyaVsBoCtoMQAvD_BwE $12.99 + .99 cent shipping.
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