The CP20008A-6 from Amtery is a bi-directional coupler that operates from 0.5 to 8 GHz. It has a coupling value of 6 dB, directivity of over 19 dB and an insertion loss of under 2.4 dB. This coupler can handle up to 20 watts of power and has a VSWR of below 1.25:1. It is available in a module with SMA female connectors.
