The PRF-AT1218-XX from Premier RF is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 0, 10, 12, 15, 20, 30 dB, Power 2 W, Peak Power 250 W, Attenuation Accuracy ±0.3 to 0.75 dB. Tags: Module with Connectors. More details for PRF-AT1218-XX can be seen below.