... , gas sensor, shock sensor, water sensor, temperature sensor and so on; With an area of 2000 square meters and more than ... frequency wireless communication.6, well know the application of GSM/GPRS/CDMA/GPS and short distance wireless communication(2.4g, 433 ... with RS485/232,DMX512,CANBUS port and have related products on sale8, experience in developing iphone/ipad IOS platform and android ...