The CP30218A-20 from Amtery is a Dual Directional Coupler that operates from 2 to 18 GHz. It provides a coupling of 20 dB with a directivity of 27 dB and insertion loss of 1 dB. The coupler can handle up to 20 W of power and has a VSWR of 1.2:1. It is available in a module with SMA female connectors that measures 100.22 x 8.60 x 19.24 mm.