The PRF-AT100540-XX from Premier RF is a Fixed Attenuator with Frequency DC to 40 GHz, Attenuation 3, 6, 10, 20, 30 dB, Power 0.5 W, Attenuation Accuracy ±0.5 to 1 dB, Operating Temperature -65 to 125 Degree C. Tags: Module with Connectors. More details for PRF-AT100540-XX can be seen below.