The G4674-40 from ARRA Inc. is a RF Variable Attenuator with Frequency 3.4 to 4.2 GHz, Attenuation Range 40 dB, Attenuation Accuracy ±1.5 dB, Power 10 W, Peak Power 66.99 dBm. Tags: Module with Connectors, Rotary, Continuously Variable. More details for G4674-40 can be seen below.