The 4674-20G from ARRA Inc. is a RF Variable Attenuator with Frequency 2.5 to 4 GHz, Attenuation Range 20 dB, Attenuation Accuracy ±1 dB, Power 10 W, Peak Power 66.99 dBm. Tags: Module with Connectors, Rotary, Continuously Variable. More details for 4674-20G can be seen below.