The 250T8G18 from AR RF/Microwave Instrumentation is a RF Amplifier with Frequency 7.5 to 18 GHz, Gain 54 dB, Gain Flatness ±12 dB, Output Power 48.45 dBm, Output Power 69.98 W. Tags: Travelling Wave Tube Amplifier. More details for 250T8G18 can be seen below.