The 9800/95300-K27K30 from Quarterwave Corporation is a RF Amplifier with Frequency 27.5 to 30 GHz, Gain 30 dB, Input Power 23 dBm, Input Power 0.2 W, Spurious 55 to 60 dBc. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for 9800/95300-K27K30 can be seen below.