The C13-0140 from Marki Microwave is a broadband directional coupler that operates from 1 GHz to 40 GHz. It has a coupling value of 13 dB, insertion loss up to 2.2 dB, a VSWR under 1.45:1 and high directivity up to 16 dB. Its multisectiontriplatestripline design provides excellent coupling flatness and VSWR at all ports. The coupler is available in a light weight module with 2.92 mm connectors. Custom designs are available on request.