The ZFA20K-40MF-YA from ZTS Technologies is a Fixed Attenuator with Frequency DC to 40 GHz, Attenuation 10 to 50 dB, Power 20 W, Peak Power 0.1 kW, Operating Temperature -55 to 125 Degree C. Tags: Module with Connectors. More details for ZFA20K-40MF-YA can be seen below.