The 0682-20 from ARRA Inc. is a RF Variable Attenuator with Frequency DC to 100 MHz, Attenuation Range 20 dB, Attenuation Accuracy ±0.6 dB, Power 1 W, Insertion Loss 0.5 dB. Tags: Module with Connectors, Continuously Variable, Rotary. More details for 0682-20 can be seen below.