The KAT179931 from Konnect RF is a RF Variable Attenuator with Frequency 0.001 to 8 GHz, Attenuation Range 0 to 95 dB, Attenuation Step 0.25 dB, Attenuation Accuracy ±0.3 dB, Power 1 W (30 dBm). Tags: Module with Connectors, Programmable, USB Controlled. More details for KAT179931 can be seen below.