The CFADC0820300W from Cernex Inc is a Fixed Attenuator with Frequency DC to 8.5 GHz, Attenuation 20±0.75 dB, Power 300 W, Attenuation Accuracy ±0.75 dB. Tags: Module with Connectors, Module with Connectors. More details for CFADC0820300W can be seen below.