The 5956-80 from ARRA Inc. is a RF Variable Attenuator with Frequency 4 to 8 GHz, Attenuation Range 80 dB, Attenuation Accuracy ±1.5 dB, Power 50 W, Insertion Loss 1.5 to 6 dB. Tags: Module with Connectors, Rotary, Continuously Variable. More details for 5956-80 can be seen below.