The GPRS DTU is a wireless data transfer unit that embedded with High reliable ARM9 MCU and industrial GPRS Engine inside. The GPRS DTU is special for transparent transferring data between RS485 port and internet over GPRS wireless network.

GPRS DTU is an ideal solution for factory automation, environmental monitoring and remote device management for M2M industry. Meanwhile, it is supplied with simple and user friendly PC Configurator to configuration, easy to installation.

 

Model No.	Name	GSM Frequency	Interface
D220	GPRS DTU,	850/900/1800/1900MHz	RS-232
D221	GPRS DTU	850/900/1800/1900MHz	RS-485

 

 

1. Functions & Features of the GPRS DTU:

2. GPRS Data Transmission, no distance limitation;

3. Real-time online data transfer;

4. Three-wire serial (A+, B-, GND) , ± 15KV ESD protection;

5. Baud rate adjustable from 1200~115200bps;

6. Build-in protocol, support TCP/UDP/IP/PPP network protocol;

7. Embedded 32 bit ARM9-MCU with real-time operating system;

8. " Plug and Play" solution can realize data transmission between com port and internet;

9. It provides a secure, high speed, reliable wireless internet connection for customers;

10. Adopt smart online keeping technology to make sure that DTU is always online;

11. Support transparent data transfer and protocol conversion;

12. Supports point-to-point , Point–to–Multipoint, Multipoint-to-Multipoint Communication Mode;

13. Heartbeat function and autodial to ensure the device online;

14. Supports DNS and static data service center IP address;

15. Supports Remote configuration;

16. Supports wakeup by SMS, Call and Comport;

17. Built in hardware Watch Dog Timer to ensure it reliable and stable;

18. Industrial class design suitable for long time work applications.

19. Size: (L x B xH): 75mm x 50mm x 16mm(5.3" x3.7" x1.4" )