Audio PWB for Voice Transmission

Audio PWB for Voice TransmissionAllows external voice modulation.

Plug in PCB enabling external voice modulation, featuring:

  • Automatic gain control (prevents over-modulation) capture, -30dBm to +5dBm
  • Automatic keyer tone modulation level reduction
  • Bandpass filtering, 300 - 3000 Hz
  • Nominal user input of -17dbm @ 600 ohms for 95% modulation