1. EGSM900/GSM1800

2. GPRS multi-slot class 10

3. Compliant to GSM phase 2/2+

4. Support SMS and data function

1. High-powered MCU, 100M

2. Interface:
RS232/RS485 serial port, rates: 110~230400bits/s
Indicator lights: "Power", "ACT", "Online"
Antenna interface: Standard SMA female interface, 50 ohm
SIM/UIM interface: Standard user card interface
Power interface: Standard 3-PIN power jack

3. Power supply:
Standard power supply: DC 12V/0.5A
Power range: DC 5~26V

4. Wireless module:
High-powered industrial GPRS module

5. Size: Outline dimension: 102.5X73.5X25.5mm

6. Weight: 450 g

7. Others:
Operation temperature: -35~+75º C
Storage temperature: -40~+85º C
Humidity: 95% (unfreezing)

1. Design with standard TCP/IP protocol stack
2. Adopt smart online keeping technology to make sure that DTU is always online
3. Support RSA and RC4 encryption arithmetic
4. Support APN/VPDN
5. Support transparent data transfer and protocol conversion. Support multi work modes

6. Support dynamic domain name(DDNS) and IP access to data center
7. Support double data centers, one main and another backup
8. Support multi data centers, It can support 5 data centers at the same time
9. Support TCP/UDP server, support multi TCP/UDP client connection
10. Support multi online trigger ways, including SMS, audio and data. Support link disconnection when timeout

11. Support SMS backup and emergency report
12. Support TCP keepalive
13. Support hardware and software WDT
14. Reporting the status of data transfer
15. Standard AT command interface

16. Support common MODEM function
17. Support telnet function
18. Support remote configure and control
19. Easy to upgrade firmware by COM
20. Support multi OS, such as WINDOWS, LINUX, SCO UNIX etc.