RF Filter, Hybrid Combiner, Directional Coupler manufacturer / supplier in China, offering RF Dual Directional Coupler 3.0~4.0GHz S Band 0.4dB 300W N Female, C Band 1.35 to 2.7GHz RF Broadband Coaxial Isolators with High Isolation 36dB, 2.0~8.0GHz S C Band RF Directional Coupler N Female 50W 1.0dB and so on.