The TE01KI-C from Communications & Power Industries is a RF Amplifier with Frequency 18 to 26.5 GHz, Gain 46 dB, Small Signal Gain 12 dB pk-pk, AC Voltage 100 to 264 VAC single phase, 2 wire, 47 to 63 Hz, Operating Temperature -10 to 50 Degree C. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for TE01KI-C can be seen below.