The RKT10G3A40 from RF-Lambda is a RF Variable Attenuator with Frequency DC to 2.5 GHz, Attenuation Range 40 dB, Attenuation Step 1 dB, Attenuation Accuracy ±0.75 dB, Power 10 W. Tags: Module with Connectors, Toggle, Continuously Variable. More details for RKT10G3A40 can be seen below.