Air200模块是四频段GSM/GPRS模块,本文档定义了Air200模块及其硬件接口规范,电气特性和机械细节,通过此文档的帮助,结合我们的应用 手册和用户指导书,客户可以快速应用Air200模块于无线应用。(The Air200 module is the four band GSM/GPRS module. This document defines the Air200 module and its hardware interface specifications, electrica