The KAT177321 from Konnect RF is a RF Variable Attenuator with Frequency DC to 18 GHz, Attenuation Range 0 to 121 dB, Insertion Loss 1.5 dB, Operating Temperature -20 to 70 Degree C. Tags: Module with Connectors, Programmable, Digital. More details for KAT177321 can be seen below.