The F6684-20 from ARRA Inc. is a RF Variable Attenuator with Frequency 7.2 to 7.8 GHz, Attenuation Range 20 dB, Power 10 W, Peak Power 66.99 dBm, Insertion Loss 0.5 dB. Tags: Module with Connectors, Rotary, Continuously Variable. More details for F6684-20 can be seen below.