The 6-9617-20S from ARRA Inc. is a RF Variable Attenuator with Frequency 8 to 18 GHz, Attenuation Range 20 dB, Attenuation Accuracy ±2.5 dB, Power 20 W, Peak Power 69.03 dBm. Tags: Module with Connectors, Continuously Variable, Rotary. More details for 6-9617-20S can be seen below.