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本文提出了基于GPRS模块Q2403A的无线上网系统设计方案。该系统有硬件和软件两部分组成。硬件系统主要有GPRS模块、单片机扩展电路及RS-232总线接口电路,软件部分有操作系统自带的拨号软件与AT命令组成。
This paper presents a GPRS module based on Q2403A wireless Internet access system design. The system has two parts of hardware and software. The main hardware system GPRS module, SCM expansion circuit and RS-232 bus interface circuit, the software part of the operating system comes with dial-up software and AT commands.