规格：Special Features Fixed Latency, High Electromagnetic Compatibility, Can Be Used Regardless of Controller Manufacturer, Firewall, One Switching Output on Backplane, Can Be Activated Via SMS With Password Protection, Encryption of SIM Card Pins, Connection Establishment With Password Protection, GSM Mobile Phone Network 850, 900, 1800, 1900 mhz, IPT-Compatible, Integrated TCP/IP Stack for Integrating Devices Without A TCP/IP Stack Into A Network, Data Rates of up to 53.6 Kbps, Connection Establishment Via Data Phone Number (CSD), Client/Server Functionality, Connection Establishment via IP Addresses,
