The PTWT12G18G-3.1KW from AMETEK CTS is a RF Amplifier with Frequency 12 to 18 GHz, Gain 65 dB, Small Signal Gain 65 dB, Output Power 64.91 to 66.53 dBm, Output Power 3100 to 4500 W. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for PTWT12G18G-3.1KW can be seen below.