The F4674-30A from ARRA Inc. is a RF Variable Attenuator with Frequency 2.9 to 3.1 GHz, Attenuation Range 30 dB, Attenuation Accuracy ±0.5 dB, Power 10 W, Peak Power 66.99 dBm. Tags: Module with Connectors, Rotary, Continuously Variable. More details for F4674-30A can be seen below.