The GPRS M-Bus Master M Series is a wireless GPRS Automatic Meter Reading(AMR) System. It embedded with high-performance ARM®Cortex®-M3 32-bit RISC MCU with real-timeμC/OS-II RTOS and industrial GPRS Engine inside. It is special for communication between monitoring center and M-Bus meters, intelligent instrument and industrial meters over wireless GPRS Network. It is the best solution for meter reading master station or controller.

1. GPRS Data Transmission, real-time online data transfer, no distance limitation;
2. Embedded ARM®Cortex®-M3 32-bit RISC MCU with real-timeμC/OS-II RTOS;
3. Embedded complete PPP, TCP/IP protocol stack;
4. Supports European standard M-Bus (Meter Bus) interface for intelligent meters;
5. Supports EN 1434-2008 protocol (Intelligent meter communication protocol) over GPRS network communication for up to 60 /120/240/360 meters;
6. Supports transparent and non-transparent data transfer via RS232 or GPRS network;
7. Supports point-to-point, Point–to–Multipoint, Multipoint-to-Multipoint Communication Mode;
8. Supports up to 3 DNS and static data service center IP address;
9. “Plug and Play” solution can realize data transmission between com port and internet;
10. Supports RS232 three-wire standard serial port, rate speed up to 115200 BPS;
11. Built-in hardware Watch Dog Timer to ensure it reliable and stable;
12. Supports remotely program the GRPS M-Bus Master from server via TCP/IP;
13. Adopts application layer heartbeat technology to keep application layer stable connection;
14. Running Stability: 365 x 24 hours;
15. Industrial class design suitable for long time work applications