... , make convenient theremote, high-speed and transparent data transmission;With watchdog for hardware and software, guarantee the stability of unit ... receiving, sending to one party or sending to multi parties;With access to data center fixed IP address, dynamic domain ... USB2.0;Support full AT commands;l Other InterfacesAudio: EAR with MIC and SPK two jacks;Antenna: Standard SMA female interface, 50 ...