The KAT177189 from Konnect RF is a RF Variable Attenuator with Frequency 0.5 to 40 GHz, Attenuation Range 63 dB, Attenuation Accuracy ±2 to ±2.5 dB, Insertion Loss 13 to 21 dB, Switching Time 50 ns. Tags: Module with Connectors, Digital. More details for KAT177189 can be seen below.