The 5684-40F from ARRA Inc. is a RF Variable Attenuator with Frequency 4.8 to 5.2 GHz, Attenuation Range 40 dB, Power 10 W, Peak Power 66.99 dBm, Insertion Loss 0.3 dB. Tags: Module with Connectors, Rotary, Continuously Variable. More details for 5684-40F can be seen below.