Wireless terminal equipment based on GPRS network and wireless data transmission method
A wireless terminal and remote terminal equipment technology, applied in the field of wireless terminal equipment and wireless data transmission, can solve problems such as time-consuming, unstable transmission data, cost increase, etc., and achieve the effect of improving stability and reliability
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[0023] A kind of wireless terminal equipment based on GPRS network, its structural diagram is as attached figure 1 As shown, it mainly includes the following parts: GSM module, STM32 microcontroller, power module, RS232 serial port, RS485 serial port, status indicator, button, SIM card slot, suction cup antenna and shell. Among them, the GSM module is powered by the power module, and the GSM module is connected to the SIM card slot to communicate with the placed SIM card. The GSM module needs to be connected to the suction cup antenna to ensure stable signal quality. The GSM module is connected to the status indicator to detect the module. In the working state, the STM32 MCU communicates with the GSM module through the serial interface. The STM32 MCU uses the power supply module for power supply. The STM32 MCU connects to the RS485 serial port and the RS232 serial port to communicate with the terminal equipment. In the working state, the STM32 MCU connection button is used to ...
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