The C3S-30 from Centric RF is a Fixed Attenuator with Frequency DC to 3 GHz, Attenuation 1 to 30 dB, Power 2 W, Attenuation Accuracy ±0.3 to ±0.5 dB, Operating Temperature -55 to 125 Degree C. Tags: Module with Connectors. More details for C3S-30 can be seen below.