The RKT2G4A60 from RF-Lambda is a RF Variable Attenuator with Frequency DC to 4 GHz, Attenuation Range 60 dB, Attenuation Step 10 dB, Attenuation Accuracy ±0.8 dB, Power 2 W. Tags: Module with Connectors, Rotary, Continuously Variable. More details for RKT2G4A60 can be seen below.