JThe ZX902GPRS module relies on China Mobile's GPRS network platform to achieve wireless data communication, overcoming the shortcomings of traditional wireless communication methods such as short communication distance and unstable performance, and providing users with a high-speed, always online, and transparent virtual private data communication network for data transmission. Truly achieving seamless coverage without distance limitations, enabling nationwide roaming. Widely used in industries such as power automation, industrial monitoring, traffic management, meteorology, finance, environmental monitoring, coal mining, oil fields, securities, etc. Utilizing the GPRS network platform to achieve transparent transmission of data, while considering the networking needs of various application departments, it has great flexibility in the form of network formation.

Product Features

● Independently developed, embedded 32-bit ARMV7 MCU with real-time operating system

The working frequency adopts 850/900/1800/1900MHz, and the four frequencies can be applied to all countries around the world (including North and South America)

Embedded PPP, TCP, UDP, ICMP protocol stack, transparent data transmission, data terminals always online

Embedded watchdog, wide power management, no crashes, automatic recovery when disconnected, multiple working modes to choose from, flexible and convenient

Anti interference design, even in the event of hardware deadlock and ordinary watchdog unable to serve the processor and communication module, it can still reliably and automatically restore to normal state

● Standard Industrial TTL

● Equipment operation indication and network connection display

● Provide user settings software and open interfaces

Industrial aluminum alloy shell, anti-interference, sturdy and durable, easy to install, industrial temperature range: working temperature: -40 ℃ -80 ℃, communication is not affected at -40 ℃

Multiple baud rates can be set

● Supports GSM dial-up wake-up and always online working mode

● Support domain name resolution function, the central end can fill in domain name address

technical parameter

GSM/GPRS：

Frequency band: 850/900/1800/1900MHz, four frequencies can be applied to all countries around the world (including North and South America)

GPRS Multi-slot Class 12

GPRS Mobile Station Class B

GPRS encoding: CS1~CS4

Output power: Class 4 (2W) at GSM850MHz and GSM900MHz

Class 1 (1W) at DCS1800MHz and PCS1900MHz

Sensitivity: 108 dBm (typ.) at EGSM900 MHz, 106 dBm (typ.) at DCS1800MHz

Compatible with standard AT commands (GSM07.05 and 07.07)

Support extended instructions

Support SMS USSD、CSD

Embedded TCP/IP protocol