Some newer 9800’s appear to have been wired differently so be sure to verify the +5V and GND pins before wiring a different mic to your radio to prevent any possible damage to your equipment.īrad I’ve tried all kinds of BT headsets on my Yamaha Royal Star Venture. 🙂 2018 Update:Brian, KI5CEY, let me know that this schematic ended up being backwards or flipped compared to his radio, see his diagram here for connecting an Astatic Mic. All of my TH-9800’s were purchased in 2014 and match this schematic which TYT sent me. I’m willing to give up DTMF functions for better audio right now since I can always swap out to the original mic if I need any rarely used DTMF commands, besides most of my DTMF use is mobile and there will be a Kenwood TM-V71 finding it’s way to my vehicle soon. If neither of those will work I’ll look into Kenwood and other brands to see if I can find one that is compatible with the TYT radio. I’ll be making an adapter cable to see if I can get a Yaesu DTMF mic or Icom non-DTMF mic working with this radio in just a day or two. The diagrams listed on most sites are completely wrong and many even show an 8-pin RJ-45 connection however this radio has never shipped with anything but an RJ-12 6-wire modular connection. This doesn’t sound like a big deal but since I use a whole bunch of different radios I do forget from time to time and blow someone away by holding the mic close to my mouth as I would any other radio. It’s terribly sensitive and will over modulate my audio unless I rest the mic in my lap. I’ve been thinking about the possibility of using a different mic with my TYT TH-9800 Quad Band Transceivers for a while now since the main issue I have with the radio is how hot the mic input is.
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