The RFDAT0040G5A from RF-Lambda is a RF Variable Attenuator with Frequency 100 MHz to 40 GHz, Attenuation Range 31 dB, Attenuation Step 1 dB, Attenuation Accuracy 1 dB, Power 0.1 W. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for RFDAT0040G5A can be seen below.