Ai Thinker A9 GPRS Series Module

The Ai Thinker A9 is a compact, quad-band GSM/GPRS module designed for a wide range of IoT applications. Ideal for home automation, industrial wireless control, wearable electronics, and wireless location-based systems, the A9 offers reliable performance in a space-saving SMD package. With its cost-effective design and stable functionality, it caters to the diverse needs of IoT developers and integrators.

Key Features:

• Quad-band GSM/GPRS support: 800/900/1800/1900 MHz for global coverage

• Voice and SMS capabilities: Enables two-way communication

• Data rate: Up to 85.6 Kbps

• Firmware upgradeable: Via serial port for easy updates

• PBCCH support: Improves network compatibility

• Multiple serial interfaces: Includes 3 serial ports (1 for download, 1 for AT commands, 1 for user communication)

• Operating temperature: -30°C to 80°C

• Operating voltage: 3.5V to 4.2V (recommended 4V for optimal performance)

• Power input: Minimum 3.5V required

• Low power consumption: Suitable for battery-powered applications

• GPIO level: 2.8V logic compatible