The 0683-15 from ARRA Inc. is a RF Variable Attenuator with Frequency DC to 250 MHz, Attenuation Range 15 dB, Attenuation Accuracy ±4 dB, Power 1 W, Insertion Loss 1.2 dB. Tags: Module with Connectors, Continuously Variable, Rotary. More details for 0683-15 can be seen below.