Hey, I'm kinda new at this and still trying to figure things out. Can
someone tell me the
difference between lmr-100 and lmr-195 wires and if they can be used
interchangebly?

Details are at http://www.timesmicrowave.com/telecom/pdf/LMRGuide.pdf

Briefly: LMR-100 cable is just about half the diameter of LMR-195,
and has roughly twice the signal loss of LMR-195 for any given length
of cable. They're both 50-ohm cables. They'd need different
connectors. The LMT-100 is probably more flexible.

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