The 5684-90 from ARRA Inc. is a RF Variable Attenuator with Frequency 4 to 7 GHz, Attenuation Range 90 dB, Power 10 W, Peak Power 66.99 dBm, Insertion Loss 0.1 dB. Tags: Module with Connectors, Rotary, Continuously Variable. More details for 5684-90 can be seen below.