Our firm aims to operating faithfully, serving to all of our shoppers , and working in new technology and new machine consistently for 18-40ghz Directional Coupler, Low Pass Filter And High Pass Filter, LTE directional coupler, Rf Antenna Splitter,duplexer. We guaranteed high quality, if clients were not satisfied with the products' quality, you can return inside 7days with their original states. The product will supply to all over the world, such as Europe, America, Australia,Czech Republic, Spain,Tunisia, Algeria.Merchandise have been exported to Asia, Mid-east,European and Germany market. Our company has constantly been able to update the items performance and safety to meet the markets and strive to be top A on stable quality and sincere service. If you have the honor to do business with our company. we'll undoubtedly do our very best to support your business in China.