The specialty is engaged in the enterprise development of CDMA mobile communication system, leading products for enterprise based on the technology of 3 g CDMA mobile communication system of mobile communication solutions, and can meet the requirements of different industries based on the developed system for mobile communications industry, the current main products are mine CDMA mobile communications and surveillance system (coal science research institute with the central enterprise), individual knapsack/vehicular CDMA communication system, CDMA mobile communication teaching system in colleges and universities, COFDM mobile video system, 3 g portable cipher system and suitable for rural areas, islands and other remote areas of the CDMA distributed small mobile communication system. Mobile communication solutions are above industry has the international advanced level, provide telecommunication level for industry users