Applications: 700-2700MHz, RF 4x4 coupler ( RF Hybrid Coupler, N-female)1. RF 4x4 Coupler is widely exproted to Middle East , India, North American, Australia, South American, Southeast Asia. Power Divider is widely used in the IBS and BTS projects. All over the world, SETSAIL has sold most of the Power Splitter/Divider to ZTE and Huawei's..