The SC2040124 from Sigatek is a Directional Coupler that operates from 2 to 52 GHz. It has a coupling factor of 20 dB with directivity of 12 dB and a flat coupling response. The coupler can handle an incident power of 20 W and reflected power of 2 W. It is available in a module that measures 43 x 17 x 11 mm with 2.4 mm (female) connectors and is ideal for use in power monitoring & leveling, sampling of microwave signals, and reflection measurements.