The 0682-30F from ARRA Inc. is a RF Variable Attenuator with Frequency DC to 100 MHz, Attenuation Range 30 dB, Attenuation Accuracy ±0.5 dB, Power 1 W, Insertion Loss 0.5 dB. Tags: Module with Connectors, Continuously Variable, Rotary. More details for 0682-30F can be seen below.