一款兼容sim900A并且性价比高的GPRS模块

L900_GSM_GPRS无线模块_应用指南内部机密

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L900 C_GSM_GPRS 无线模块 应用指南 V1.3

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内部机密

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1 TCP/IP 应用 ..................................................................................................................................... 6 1.1 单链接 ................................................................................................................................. 6

1.1.1 建立 TCP/UDP 客户端链接 ............................................................................................... 6 1.1.2 建立 TCP/UDP 服务器 ....................................................................................................... 7 1.1.3 透明传输模式 ..................................................................................................................... 8 1.2 2. 多链接 ...........................................