The PTM7721 from Communications & Power Industries is a RF Amplifier with Output Power 61.76 dBm, Output Power 1500 W, Supply Voltage 15000 VDC, AC Voltage 115 VAC, 3 Ph 400 Hz. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for PTM7721 can be seen below.