The CFADC6503U5 from Cernex Inc is a Fixed Attenuator with Frequency DC to 65 GHz, Attenuation 3±1.50 dB, Power 0.5 W, Attenuation Accuracy ±1.5 dB. Tags: Module with Connectors, Module with Connectors. More details for CFADC6503U5 can be seen below.