The XTD-850XL from Comtech Xicom Technology is a RF Amplifier with Frequency 7.9 to 8.4 GHz, Small Signal Gain 75 dB pk-pk, Gain Flatness ±1 to 2.5 dB, Linear Power 52.1 to 56 dBm, Linear Power 160 to 400 W. Tags: Power Amplifier, Travelling Wave Tube Amplifier. More details for XTD-850XL can be seen below.