- Built in +/-12V/350 mA DC Power Supply
- Built in Carrier Generator: 5 KHz, 1.85 KHz,
- Built in Modulating Signal Generator 312, 156, 78 Hz
- FSK Modulator
- FSK Demodulator
- Assembled in Plastic Box with circuit screen printed
- on Glass Epoxy PCB with 2mm socket for test points to see the waveforms
