The RFDAT1218G6R from RF-Lambda is a RF Variable Attenuator with Frequency 12 to 18 GHz, Attenuation Range 63 dB, Attenuation Step 1 dB, Attenuation Accuracy 1.0 dB, Power 0.2 to 50 W. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for RFDAT1218G6R can be seen below.