A9 GSM/GPRS Module
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A9 is a complete quad-band GSM/GPRS module based on RDA8955. The cost reduction of the core chip provides users a cost-effective IoT solution. Integrating protocol stacks such as GSM/GPRS inside, this module supports the basic phone voice call/SMS, serial to GPRS and GPS data transmission functions, which can be used in a wide range of applications, such as IoT , vehicle-mounted equipment, remote localization, electric power environment monitoring.
The module allows users to make voice calls, use SMS services and access the internet and base position with only a SIM or IoT card. A9 could also work with other devices by AT command. Besides, the module comes with 29 GPIOs and integrated SDK that could greatly facilitate private redevelopment.
