Amplitude Modulation And Demodulation Trainer is an SSI India product in the Communication Trainer category. Key specifications include SKU: PCT-E040. On Board Carrier Generator 100KHz. On Board Modulating Signal Oscillator 0-1KHz Power Supply. Fixed DC Power Supplies +15V DC, 250mA. Operated on Mains power 230V, 50Hz +10% Components are mounted