The ZCDC10-K5R44W+ from Mini-Circuits is a directional coupler that operates from 0.5 to 40 GHz. It has a coupling value of 10 dB, directivity of over 10 dB and an insertion loss of under 3 dB. The coupler can handle up to 15 watts of power. It is available in a module with 2.92 mm female connectors and is ideal for 5G, mobile, fixed satellite and lab use applications.