The PTWT2G4G-4KW from AMETEK CTS is a RF Amplifier with Frequency 2 to 4 GHz, Gain 66 dB, Small Signal Gain 66 dB, Output Power 66.02 to 66.99 dBm, Output Power 4000 to 5000 W. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for PTWT2G4G-4KW can be seen below.