Support GSM 900/1800Mhz or GSM 900/1800/1900;Support CDMA 450/800/1900Mhz single band or CDMA 800/1900Mhz Dual Band Based on GPRS,EDGE and HSDPA;

One serial port RS232/RS485/RS422 for configuring parameter and data transmission;

One RJ11 port for detecting wireless module and testing voice call;

One 10/100M Base-T for connecting terminal and external digital network, used as Wireless Router;

Optional communicating ports (RS232/RS422/RS485) for different requirements;

Supporting transparent data transmission;

Supporting point-to-point application;

Supporting Point-to-multi points application;

Used as Wireless router ;

Supporting VPN/Ipsec;

Static / dynamic NAT;

Supporting two ways of getting online (always being online and data triggering);

Supporting two ways of remote awaking mode (phone call and SMS);

Without background PC support;

Constructing leased line to get online is capable;

Being in keeping with the Data Service Center and Registration Service Center ever and again with in time status judgment;

Reset automatically: The watch dog will re-startup when failed;

User ID certification.

Supporting online software version upgrade and also by remote TFTP;

Supporting monitoring device status online by serial port or telnet;

Supporting alarm NMS via SMS

Flexible Setting like heartbeat interval, call waiting and so on;

Flexible and convenient; low cost; simple network configuration; speedy

GSM/EDGE/HSDPA Router S1901 3G Router/modem