The F6684-60 from ARRA Inc. is a RF Variable Attenuator with Frequency 8.2 to 8.4 GHz, Attenuation Range 60 dB, Power 10 W, Peak Power 66.99 dBm, Insertion Loss 1 dB. Tags: Module with Connectors, Rotary, Continuously Variable. More details for F6684-60 can be seen below.