RF Coupler – Model C1979 – Dual Directional Coupler is a High Power design. The unit operates with 60 dB Coupling, covers the full 0.01-100 MHz band, and rated at 10 kW. RF Coupler – Model C1979 supports wide band EMC applications and operates with less than 0.1 dB of Insertion Loss and better than 1.0 dB of Coupling Flatness. The unit is available with LC-F and 1 5/8″ EIA mainline connectors. Werlatone Directional Couplers are broadband Dual, Uni, and Bi-Directional. Above all, our high power designs tolerate the most harsh operating conditions associated with military and EMC testing environments.