A9 is a complete quad-band GSM GPRS module, which supports GPRS technology. It is integrated into a SMD compact design package, that can save customers’ time and money in developing GNNS applications. Compared with A6 A7, A9 enquires higher integration, and lower cost of the core chip makes the whole program more effective.
A9 module can be used in a variety of IOT applications, such as home automation, industrial wireless control and etc.