The 780-06-3.000 from MECA is a Directional Coupler that operates from 2 to 4 GHz. This 6 dB coupler has a directivity of 22 dB and an insertion loss of less than 0.2 dB. It can handle up to 50 W of forward power, 2 W of reverse power, and 3 kW of peak power. The coupler is available in an aluminium-enclosed module that measures 1.16 x 0.5 x 0.38 inches and has SMA-female connectors.