The PRF-AT2518-XX from Premier RF is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 1, 10, 15, 20, 30, 40 dB, Power 5 W, Attenuation Accuracy ±0.3 to 1.5 dB, Operating Temperature -65 to 125 Degree C. Tags: Module with Connectors. More details for PRF-AT2518-XX can be seen below.