The CFADC0420400T from Cernex Inc is a Fixed Attenuator with Frequency DC to 4 GHz, Attenuation 20±1.00 dB, Power 400 W, Attenuation Accuracy ±1 dB, Height 437 mm. Tags: Module with Connectors, Module with Connectors. More details for CFADC0420400T can be seen below.