The 9684-10FS from ARRA Inc. is a RF Variable Attenuator with Frequency 12.4 to 18 GHz, Attenuation Range 10 dB, Attenuation Accuracy ±0.5 dB, Power 10 W, Peak Power 66.99 dBm. Tags: Module with Connectors, Rotary, Continuously Variable. More details for 9684-10FS can be seen below.