China GrenTech Corporation Limited, together with its subsidiaries, engages in the manufacture and sale of wireless coverage products and services in the Peoples Republic of China. The company offers a range of wireless coverage products that include repeaters, trunk amplifiers, and base station amplifiers that support various 2G protocols, including GSM and CDMA, and 3G protocols comprising TD-SCDMA, WCDMA, and CDMA2000. It provides its wireless coverage products in indoor coverage areas, such as high-rise buildings, underground areas, and elevators; and outdoor coverage areas comprising highways, railways, subways, and tunnels. China GrenTech also offers design, installation of wireless coverage products, and project warranty services. In addition, it engages in the development, manufacture, and supply of RF parts and components that include transistors and diodes; and filters, duplexers, multi-frequency splitters, combiners and couplers, and antennae. The company was formerly known as Powercom Holdings Limited. China GrenTech Corporation Limited was founded in 1999 and is based in Shenzhen, the Peoples Republic of China.