The RKT80G4A20 from RF-Lambda is a RF Variable Attenuator with Frequency 900 MHz to 4 GHz, Attenuation Range 20 dB, Attenuation Accuracy ±1 dB, Power 80 W, Insertion Loss 0.5 dB. Tags: Module with Connectors, Rotary, Continuously Variable. More details for RKT80G4A20 can be seen below.