Mini-Circuits’ ZDC20-20403-K+ broadband high power directional coupler offers excellent performance across a wide range of popular frequency bands. Built using low loss suspended substrate construction, the ZDC20-20403-K+ can pass up to 3A of DC current from input to output and handle up to 20W CW. Rugged sealed construction makes this coupler ideal for use in field applications or remote monitoring sites; however, it is also ideal for high power lab testing.