The KAT178681 from Konnect RF is a RF Variable Attenuator with Frequency 0.5 to 18 GHz, Attenuation Range 63 dB, Attenuation Accuracy ±2.5 dB, Insertion Loss 13 to 15 dB, Switching Time 50 ns. Tags: Module with Connectors, Digital. More details for KAT178681 can be seen below.