Ok, setup is a stryker 497 hpc, monkey made antenna, and astatic mic. Actually 2nd astatic mic. 3rd mic total if you include stock. When I key up I can hear in the talkback that I cut out some of the time. Checked all connections on radio, good. I'm not sure what to do next. I cant imagine yet another mic has met its expiration date already. Had in for about 4 months give or take. Any thoughts? T.I.A.