The ZCDC20-E40653+ from Mini-Circuits is a Directional Coupler that operates from 40 to 65 GHz. It has a coupling factor of more than 18.2 dB with directivity of 15 dB. High directivity allows sampling of input powers with minimal detrimental effects due to output mismatches. The coupler can handle an input power of up to 12 W. It is available in a module that measures 31.75 x 16.00 x 12.70 mm with 1.85 mm (Female) connectors and is ideal for 5G, mobile, fixed satellite, and lab testing applications.