Z-Stone Technology Co., Ltd (Z-Stone) was founded in 2002, and specializes in R&D, manufacturing and selling telecom equipments. We have diverse product range available for all bandwidths and mobile standards including TETRA, GSM, CDMA, WCDMA as well as TD-SCDMA series, within each network series there are varies transmission type such as: Broadband, Band-selective, Channel-selective, Frequency-shifting, Micro and Pico, ect. Products can be customized according to different operators in the world and the output power are available from 0.05w to 200w. Z-Stone also provides a comprehensive portfolio of in-building and outdoor optimizing solutions such as: Marine area coverage, Mountainous area coverage, Microwave long distance extending system and so on.