The XTDL-500 from Comtech Xicom Technology is a RF Amplifier with Frequency 27 to 30 GHz, Gain 70 dB, Gain Flatness 0.8 to 2.5 dB, Peak Power 500 to 550 W, Harmonics -15 dBc. Tags: Power Amplifier, Travelling Wave Tube Amplifier. More details for XTDL-500 can be seen below.