Do you have a question about What the difference between coupler and hybrid coupler is ?Actually,My answer is Yes.

An essential feature of directional couplers is that they only couple power flowing in one direction. Power entering the output port is coupled to the isolated port but not to the coupled port. A directional coupler designed to split power equally between two ports is called a hybrid coupler.

We are engaged in the research and development and production of diretional couplers and hybrid couplers combiners for more than 10 years, there are various models of products,such as 698-2700MHz directional coupler,698-2700MHz 2x2 hybird coupler(698-2700MHz 3dB hybrid coupler),698-3800MHz directional coupler,350-6000MHz 4 in 4 out hybrid combiner etc