AI-Thinker A9G GSM/GPRS GPS/BDS Development Board

Product Description The AI-Thinker A9G Development Board is a compact and powerful wireless module that integrates GSM/GPRS, GPS, and BDS (BeiDou) positioning along with voice, SMS, and GPRS data functions. It features microphone and speaker interfaces, TF card slot, multiple GPIOs, and communication ports such as UART, SPI, and I²C, making it perfect for IoT projects, vehicle tracking, and remote monitoring. At PowerMark Solution, we provide original AI-Thinker A9G boards so you can build reliable, connected, and location-aware devices with confidence. Features Quad-band GSM/GPRS support (850/900/1800/1900 MHz). GPS BDS GNSS dual-mode positioning. Supports voice calls, SMS, and GPRS data (upload & download). Built-in microphone and speaker interfaces. Onboard TF (micro-SD) card slot for data logging. Multiple user buttons & LEDs for control and status feedback. Interfaces: UART, SPI, I²C, ADC. Li-Po battery charging management. Operating in a wide temperature range. Applications Vehicle tracking and fleet management. Remote monitoring systems (environment, agriculture, etc.). Wearable tracking and emergency alert devices. IoT communication gateways. Asset tracking where cellular GNSS required. Smart watch or wearable with GPS SMS/voice. Audio intercom or voice messaging devices. Technical Specifications Specification Details GSM Frequency Bands Quad-band: 850 / 900 / 1800 / 1900 MHz GPRS Data Class Class 10 GNSS GPS BDS dual-mode Operating Voltage Approx. 3.3-4.2V (battery or external power) Current Consumption Low power modes; typical quiescent current low Interfaces UART, SPI, I²C, ADC Microphone / Speaker Included Storage TF card slot Buttons & LEDs Multiple for user input and status indication Temperature Range Approx. -20°C to 70°C Dimensions & Weight Small compact board; lightweight Package Includes 1 × AI-Thinker A9G GSM/GPRS GPS/BDS Development Board Documentation AT-command set guide for GSM, GPS, SMS, voice. Wiring pin-out for peripherals (mic, speaker, sensors). Example code for sending SMS, acquiring GPS/BDS position, GPRS data usage. FAQs Q1: Can this module perform GPS and GSM simultaneously?A: Yes, it supports GNSS (GPS BDS) along with GSM/GPRS communication for data, SMS & voice. Q2: What power supply is needed?A: It works with approx. 3.3-4.2V supply (often via Li-Po battery or external regulator). Q3: Is storage supported for logging?A: Yes, it has a TF (micro-SD) card slot for local data storage. Q4: Which communication interfaces are available?A: UART for AT commands, plus SPI, I²C, ADC, plus GPIOs. Q5: Is this board suitable for vehicle tracking?A: Absolutely — its GSM GPS/BDS, plus sensor support and storage, make it very suitable for tracking applications.