The AF085X2-20 from Narda-ATM is a RF Variable Attenuator with Frequency 7.9 to 8.4 GHz, Attenuation Range 20 dB, Power 7 W, Peak Power 64.77 dBm, Insertion Loss 0.5 dB. Tags: Module with Connectors, Continuously Variable, Rotary. More details for AF085X2-20 can be seen below.