The AF068-20 from Narda-ATM is a RF Variable Attenuator with Frequency 14 to 26.5 GHz, Attenuation Range 20 dB, Power 7 W, Peak Power 64.77 dBm, Insertion Loss 0.75 dB. Tags: Module with Connectors, Continuously Variable, Rotary. More details for AF068-20 can be seen below.