The 6554 from Ophir RF is a RF Amplifier with Frequency 2.5 to 7.5 GHz, Gain 63 dB, Output Power 62.78 dBm, Output Power 1900 W, Saturated Power 62.78 dBm. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier, Power Amplifier. More details for 6554 can be seen below.