The RWATTN-5.40-8.20-WR137-3-30dB-500W-35kW-Pk-L4 from Raditek is a Waveguide Attenuator with Frequency 5.40 to 8.20 GHz, Average Power 500 W, Peak Power 35 kW, Attenuation 3 dB, 6 dB, 10 dB, 20 dB, 30 dB. More details for RWATTN-5.40-8.20-WR137-3-30dB-500W-35kW-Pk-L4 can be seen below.