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GPS + GSM A9 Pudding/SMS/Voice/Wireless Data Transmission IOT Module
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.
- Supports voice call and SMS message.
- Supports GSM/ GPRS frequency: 850/ 900/ 1800/ 1900 MHz.
- Supports GPRS data service, the maximum download data rate is 85.6 Kbps, upload data is 42.8 Kbps.
- Supports GSM07.07, 07. 05 AT commands and Ai-Thinker explosion command.
- Supports 3 serial ports, one download serial port, one AT command port.
- Size: 19.2mm x 18.8mm x 3mm
- Working temperature: -30 ℃-80℃
- Working voltage: 3.5v – 4.2v (it’s best to power by 4v)
- Power voltage: >3.5v
- Low power consumption:
- GPIO level: 2.8v
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