The TWAL 2731-100E from BONN Elektronik is a RF Amplifier with Frequency 27 to 31 GHz, Gain 50 to 55 dB, Gain Flatness ±5 dB, Noise Figure 20 dB, Output Power 50 to 50.79 dBm. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for TWAL 2731-100E can be seen below.