The TWAL 1822-500 from BONN Elektronik is a RF Amplifier with Frequency 18 to 22 GHz, Gain 56.5 to 60 dB, Gain Flatness ±3 dB, Noise Figure 20 dB, Output Power 56.02 to 57.4 dBm. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for TWAL 1822-500 can be seen below.