The 6684-20F from ARRA Inc. is a RF Variable Attenuator with Frequency 7 to 11 GHz, Attenuation Range 20 dB, Attenuation Accuracy ±1 dB, Power 10 W, Peak Power 66.99 dBm. Tags: Module with Connectors, Rotary, Continuously Variable. More details for 6684-20F can be seen below.