说明：SIM899A短信测试例程（STM32F103VET6）

说明：建立了一个基于GSM网络及短信息平台上的家庭安防系统，设计中采用了STC89C52单片机系统、无线GSM短信模块及传感器技术。

说明：Gsm手机(短信息,电话簿)开发库C++源代码通过GSM modem 或 IrDA 设备基于GSM标准 ETSI GSM

说明：GSM协议及源码,是开发GSM手机软件的必备,

说明：.net library for sending sms messages bu usb gsm modem

说明：.net library for sending sms messages with usb modem

说明：实现了从STM32平台读取短信的功能，详细说明了读取的数据的过程，通信方式。

说明：be a search of all the gen

说明：Global system for mobile telecommunication (GSM) comprises the CEPT-defined standardization of the services, functional/subsystem interfaces, and protocol architecture, based on the use of worldwide standards produced by CCITT and CCIR, for a pan- European digital land mobile system primarily intended to serve users in motor vehicles. The digital mobile radio networks, for which GSM represents the European standards, provide powerful message signaling capabilities that facilitate and enhance roaming, compared to the first generation analogue systems, through automatic network location detection and registration.

说明：a paper about GSM. The cell tower and phone negotiate the highest level of crypto that both mutually support. During call setup a handset sends a packet that states its crypto level and the tower will return a signal with what is actually going to be used. Devices that intercept GSM clear-data simulate a tower and proxy the data to the real tower. They drop the 'I support crypto' packet from the handset so the tower thinks that the handset does not support any type of encryption and transmits the call in the clear.

说明：主要讲解如何使用SIM-800C模块与STM32单片机进行短信收发和电话接收

说明：主要讲解如何使用SIM-900A模块与STM32单片机进行短信收发和电话接收

说明：cc110L_easy_link_msp_exp430g2 _MSP430G2231

说明：本目录包含ADSP-2191单核例程，实现半速率软判决GSM Viterbi译码器。

说明：1137B11SIM900A32_ST up date firmware for gsm and communication for 32k byte memroy

说明：star leds used by gsm module

说明：Root_Cause_Analysis_of_KPI_in__2G_Networks

说明：a software to simulate GSM network

说明：这是一共享单车产品的源代码，完全开源，可直接应用于ofo MOBO

说明：一本通俗易懂的无线通信书籍，详细描述了GSM系统的功能和协议

说明：Simple script to receive and delete SMS messages via GSM modem

说明：SS7信令系统协议,电信七号信令详解指南 -中通网通信教程大全

说明：利用GSM的GPRS功能，使用AT指令进行短信发送，实现温度监控、超标报警，有串口传输功能，有一定单片机项目参考价值

说明：LoCosto Specifications sheet

说明：TI I-Sample production test and calibration

说明：TI compilators for GSM firmware

说明：Calypso/Iota/Clara System Application Notes

说明：Run code for gps and gsm

说明：from 1g to 5g mobile communication

说明：51控制SIM900A带检测GSM模块返回数据