The RKT1G18A110 from RF-Lambda is a RF Variable Attenuator with Frequency DC to 18 GHz, Attenuation Range 110 dB, Attenuation Step 10 dB, Attenuation Accuracy ±4.5 dB, Power 1 W. Tags: Module with Connectors, Rotary, Programmable. More details for RKT1G18A110 can be seen below.