The XTD-400KHE from Comtech Xicom Technology is a RF Amplifier with Frequency 13.75 to 14.5 GHz, Small Signal Gain 70 dB pk-pk, Gain Flatness ±1 to 2 dB, Output Power CW 90 to 170 W, Harmonics -60 dBc. Tags: Power Amplifier, Travelling Wave Tube Amplifier. More details for XTD-400KHE can be seen below.