Grand-Tek Technology Co., Ltd. designs, manufactures, and sells high-frequency connection lines and wireless communication integration subsystems. It operates in Taiwan, the Netherlands, the United States, the United Kingdom, China, and other international markets. The company offers a range of antennas, RF modules, connectors, cable assemblies, enclosures, and related design and manufacturing services. Founded in 1995, it is headquartered in New Taipei City, Taiwan.