The 4674-40F from ARRA Inc. is a RF Variable Attenuator with Frequency 2.7 to 2.9 GHz, Attenuation Range 40 dB, Attenuation Accuracy ±1 dB, Power 10 W, Peak Power 66.99 dBm. Tags: Module with Connectors, Rotary, Continuously Variable. More details for 4674-40F can be seen below.