The PTWT4G8G-1.9KW from AMETEK CTS is a RF Amplifier with Frequency 4 to 8 GHz, Gain 63 dB, Small Signal Gain 63 dB, Output Power 62.79 to 63.42 dBm, Output Power 1900 to 2200 W. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for PTWT4G8G-1.9KW can be seen below.