Ai Thinker A9 GPRS Series Module
The Ai Thinker A9 GPRS Series Module offers versatility for a broad spectrum of IoT applications, making it an optimal choice for tasks ranging from home automation to industrial wireless control. Additionally, it finds suitability in wearable electronics, wireless location sensing devices, wireless location system signals, and various other IoT applications.
Compact in design, the A9 module packs quad-band GSM/GPRS capabilities into a small SMD package. With its stable performance, compact appearance, and cost-effectiveness, it caters to the diverse requirements of customers, ensuring reliable functionality across different IoT scenarios.
Features:
Supports GSM/ GPRS frequency: 800/ 900/ 1800/ 1900 MHz.
Supports voice calls and SMS messages.
The data rate is 85.6 Kbps
Supports firmware upgrade via serial port
Support PBCCH
Supports 3 serial ports, one download serial port, one AT command port.
Working temperature: -30 ℃-80℃
Working voltage: 3.5v – 4.2v (it’s best to power by 4v)
Power voltage: >3.5 Volts
Low power consumption:
Sensitivity GPIO level: 2.8 volts
Specification:
| Model Name | A9 |
|---|---|
| Package | SMD54 |
| Frenquency | 850/900/1800/1900MHz |
| GPRS Multi-slot | Class 12 |
| GPRS Mobile Station | Class B |
| Power supply | 3.5~4.2V typical value 4.0V |
| Current | 1.14mA@DRX=5 1.03mA@DRX=9 |
| AT command | 3GPP TS 27.007, 27.005 |
| GPRS Class 12 | Max 85.6kbps (Up & Down) |
| Coding scheme | CS 1,2, 3, 4 |
| PBCCH | support |
| SIM Card | 1.8V/3V |
| UART | 3pcs (including firmware upgrade serial port)ˈbaud rate support 2400~1843200bps, default115200bps |
| Antenna | Pad |
| Communication Interface | I2C,USB,UART,SDMMC,GPIO,ADC |
| Working Temperature | -20°C ~ +75°C |
| Length (mm) | 19.2 |
| Width (mm) | 18 |
| Height (mm) | 2.5 |
| Weight (gm) | 3 |
| Shipping Weight | 0.03 kg |
| Shipping Dimensions | 8 × 5 × 1 cm |
Package includes:
1 x Ai Thinker A9 GPRS Series Module
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