The XTD-550KaL1 from Comtech Xicom Technology is a RF Amplifier with Frequency 27.5 to 30 GHz, Small Signal Gain 70 dB pk-pk, Gain Flatness ±1.2 to 2 dB, Linear Power 52.6 dBm, Linear Power 182 W. Tags: Power Amplifier, Travelling Wave Tube Amplifier. More details for XTD-550KaL1 can be seen below.