The 4684-1OG from ARRA Inc. is a RF Variable Attenuator with Frequency 3.5 to 4.5 GHz, Attenuation Range 10 dB, Attenuation Accuracy ±0.6 dB, Power 10 W, Peak Power 66.99 dBm. Tags: Module with Connectors, Continuously Variable, Rotary. More details for 4684-1OG can be seen below.