ZEALHO is a designer and manufacturer of RF and microwave-based components and subsystems for wireless and advanced communications industries. We are located in Hangzhou, china; deliver highly reliable customized products on time, with a focus on continuous improvement and teamwork. We provide a comprehensive suite of solutions for mobile communication, distributed antenna systems, in-building, in-tunnels, television & radio base-station. We offer our customers a complementary suite of products meeting a variety of standards including waveguide filter, attenuators, RF terminations, power splitter, 3db hybrid, directional coupler, combiner, diplexer, POI and RF subsystem. These products share unique capabilities in the area of broadband frequency coverage, minimal loss, high isolation and low PIM.