The MMC-CA-DC18-2-S-XX from Mesa Microwave is a Bi-directional Attenuator that operates from DC to 18 GHz. It is available in attenuation values from 0 to 30 dB and has a VSWR of up to 1.35:1. The attenuator can handle up to 2 W of power and is available in a module that measures 19.3 x 22.6 mm with SMA (M/F) connectors.