The HD-6-X from MCLI is a Dual Directional Coupler that operates from 4 to 8 GHz. The coupler has a directivity of over 18 dB and an insertion loss of less than 0.4 dB. It can handle up to 600 watts of power and has a VSWR of 1.35:1. The coupler is available in a module with SMA/N-type female connectors, with custom coupling value from 30 to 50 dB.