The GT188 Series from AMETEK CTS is a RF Amplifier with Frequency 8 to 18 GHz, Input Power 10 dBm, Input Power 0.01 W, Harmonics -50 dBc, AC Voltage 90 to 264 V. Tags: Benchtop / Rackmount, Power Amplifier, Travelling Wave Tube Amplifier. More details for GT188 Series can be seen below.