Narda 22393-10 (AKA 3004-10) 4.0 to 10.0 GHz, 10 dB, 50W, Type N Coaxial Coupler Narda 22393-10 (AKA: 3004-10). Coaxial Directional Coupler. 4.0 to 10.0 GHz, 10 dB, 50 Watts. 1.20 VSWR, Type N (M-F-F). byJuly 4, 2026