The 6546 from Ophir RF is a RF Amplifier with Frequency 8 to 12 GHz, Gain 66 dB, Gain Flatness ±3 dB, Output Power 66.53 dBm, Output Power 4000 to 4500 W. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier, Power Amplifier, Automatic Gain Controlled Amplifier. More details for 6546 can be seen below.