The TWAL 1113-400 from BONN Elektronik is a RF Amplifier with Frequency 10.5 to 13 GHz, Gain 46 to 56 dB, Gain Flatness ±10 dB, Noise Figure 20 dB, Output Power 56.02 to 56.53 dBm. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for TWAL 1113-400 can be seen below.