The C18S-7 from Centric RF is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 1 to 30 dB, Power 2 W, Attenuation Accuracy ±0.3 to ±1.2 dB, Operating Temperature -55 to 125 Degree C. Tags: Module with Connectors. More details for C18S-7 can be seen below.