The ZFA500N-4MF-YW from ZTS Technologies is a Fixed Attenuator with Frequency DC to 4 GHz, Attenuation 10 to 60 dB, Power 500 W, Peak Power 2.5 kW, Operating Temperature -55 to 125 Degree C. Tags: Module with Connectors. More details for ZFA500N-4MF-YW can be seen below.