The PTWT4G8G-8KW from AMETEK CTS is a RF Amplifier with Frequency 4 to 8 GHz, Gain 69 dB, Small Signal Gain 69 dB, Output Power 69.03 to 69.54 dBm, Output Power 8000 to 9000 W. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for PTWT4G8G-8KW can be seen below.