The 6564 from Ophir RF is a RF Amplifier with Frequency 44 to 45 GHz, Gain 51 dB, Noise Figure 15 dB, Output Power 50 dBm, Output Power 100 W. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier, Power Amplifier. More details for 6564 can be seen below.