The 6684-50 from ARRA Inc. is a RF Variable Attenuator with Frequency 7 to 12.4 GHz, Attenuation Range 50 dB, Power 10 W, Peak Power 66.99 dBm, Insertion Loss 0.5 dB. Tags: Module with Connectors, Rotary, Continuously Variable. More details for 6684-50 can be seen below.