Modification of Motorola PMR microphone for use with amateur radio equipment
I was solving what microphone to use with my new SunSDR2 DX TRX. In my drawer was a Yaesu fake microphone from Aliexpress, whose only advantage was that it cost almost nothing. The modulation from it was flat with lots of distracting noises caused by breathing and PTT button squeaks. That didn’t make me satisfied,