The DC-N000-10S from UMCC is a Directional Coupler that operates from 6 to 18 GHz. This 10 dB coupler has an insertion loss of less than 1.2 dB and directivity of more than 13 dB. It can handle 10 watts of CW power and 0.5 kW of average peak power. This 50-ohms coupler is available in a module with SMA (F) connectors.
