The Series RAT40 from Raltron is a Fixed Attenuator with Frequency DC to 6 GHz, Attenuation 40 dB, Power 0.5 W, Attenuation Accuracy -0.2 to 0.5 dB, Operating Temperature -40 to 85 Degree C. Tags: Module with Connectors. More details for Series RAT40 can be seen below.