HISTORY OF FOUNDATION AND DEVELOPMENT Established in the year Angel (TSI) is still growing, besides investing in BTS mobile base station, TSI has expanded its investment scope in other areas such as infrastructure. transmission, internet infrastructure, cable television infrastructure. Besides, TSI also quickly developed more building security systems such as wide area wifi, wide area radio, CCTV, building access control system...View More
HISTORY OF FOUNDATION AND DEVELOPMENT Established in the year Angel (TSI) is still growing, besides investing in BTS mobile base station, TSI has expanded its investment scope in other areas such as infrastructure. transmission, internet infrastructure, cable television infrastructure. Besides, TSI also quickly developed more building security systems such as wide area wifi, wide area radio, CCTV, building access control system...
