The TWAL 2640-80 from BONN Elektronik is a RF Amplifier with Frequency 26.5 to 40 GHz, Gain 48.5 to 55 dB, Gain Flatness ±6 dB, Noise Figure 20 dB, Output Power 48.45 to 50 dBm. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for TWAL 2640-80 can be seen below.