• Wide range VHF and UHF transceiver (144/220/440 Amateur bands included)
  • 500mW amplifier
  • SMA antenna connector
  • Arduino shield compatible with Arduino Uno and Mega
  • Arduino Library controls frequency, sub audio modes, transmission control, and more. Lots of helper functions to get you started fast.
  • Cell phone-style TRRS headset jack for analog audio (with optional "cross over" cable for computer interfacing)
  • ADC audio input (filtered) for digital reception
  • PWM audio output (filtered) for digital transmission
  • Plenty of example sketches and library to get you started!