The MMCDC0208-20 from MESA Microwave is a Directional Coupler that operates from 2 to 18 GHz. This 20 dB coupler has a directivity of over 20 dB and an insertion loss of less than 0.4 dB. It can handle up to 50 watts of average power, 1kW of peak power, and has a VSWR of under 1.2:1. This RoHS-compliant coupler is available in a module with SMA-female connectors.