可以与来自GRPS或CDMA设备建立TCP/IP的连接，在建立连接之后可以互发数据，能够时时检测设备的在线情况，准确性和响应速度极好！-can from GRPS or CDMA equipment to establish TCP / IP connectivity, the establishment of inter-linking can be made after data can always testing equipment online, accuracy and respon