The KAT178103 from Konnect RF is a RF Variable Attenuator with Frequency 0.5 to 40 GHz, Attenuation Range 0 to 30 dB, Attenuation Accuracy ±1.5 to ±2 dB, Power 0.5 W, Insertion Loss 7.5 to 8.5 dB. Tags: Module with Connectors, Programmable, Digital, USB Controlled. More details for KAT178103 can be seen below.