The XTD-450TLW from Comtech Xicom Technology is a RF Amplifier with Frequency 8.4 to 14.5 GHz, Small Signal Gain 70 dB pk-pk, Gain Flatness 1 to 2.5 dB, Harmonics -12 to -10 dBc. Tags: Benchtop / Rackmount, Power Amplifier, Travelling Wave Tube Amplifier. More details for XTD-450TLW can be seen below.