The 4417-20X from ARRA Inc. is a RF Variable Attenuator with Frequency 2 to 4 GHz, Attenuation Range 10 dB, Power 500 W, Peak Power 70 dBm, Insertion Loss 1 dB. Tags: Module with Connectors, Rotary, Continuously Variable. More details for 4417-20X can be seen below.