The T22XI from Communications & Power Industries is a RF Amplifier with Frequency 7.9 to 8.4 GHz, Gain 70 dB, Small Signal Gain 0.5 to 4 dB pk-pk, Output Power Limit 63 to 63.54 dBm, Phase Noise 10 dB. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for T22XI can be seen below.