The 1000TP8G18M18 from AR RF/Microwave Instrumentation is a RF Amplifier with Frequency 7.5 to 18 GHz, Gain 60 dB, Gain Flatness ±8 dB, Harmonics 3 dBc, AC Voltage 190 to 260 V. Tags: Travelling Wave Tube Amplifier. More details for 1000TP8G18M18 can be seen below.