The 27004A-40 from Narda-MITEQ is a Directional Coupler that operates from 6 to 18 GHz. This 40 dB coupler provides a directivity of more than 10 dB and has an insertion loss of less than 0.5 dB. It can handle up to 400 W of input power and 5 kW of peak input power. This directional coupler is available in a module that measures 104 x 23.83 x 30.48 mm with TNC and SMA connectors.