The AR-0030-100-40N from Microwave Filter Company is a Fixed Attenuator with Frequency DC to 3.0 GHz, Attenuation 40 dB ± 2.0 dB, Power 100 W, Attenuation Accuracy ± 2.0 dB, Operating Temperature -20 to 60 Degree C. Tags: Module with Connectors. More details for AR-0030-100-40N can be seen below.