# A9G, GSM, GPRS, GPS development board

> A9G development board offering GSM/GPRS/SMS/Audio connectivity and dual mode GPS/BDS positioning. Includes charging circuit for 3.7V lithium battery, microphone, speaker interface, USB communication, TF card slot, accelerometer, and SPI, I2C2 and ADC interfaces. AT firmware, 5VDC power via Micro USB or 3.7V lithium battery, serial communication speed 2400bps-1.8Mbps, default baud rate 115200.

- Page: https://sigmanortec.ro/en/a9g-gsm-gprs-gps-development-board
- Price: 184.28 RON
- Availability: In stock; 1-2 zile
- Reference: 9187 · EAN: 5942231607847
- Category: Mechatronics and IoT > Development Board > IoT Development Boards, Wireless
- Package (shipping data): 0.023 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 04:50 (Europe/Bucharest)

## Description

Ideal for IoT projects and mobile devices, it offers GSM GPRS connectivity for SMS calls and data, plus dual mode GPS BDS location. Includes integrated charging for 3.7V Li Ion battery, microphone and speaker interface for audio, USB for communication, TF slot and accelerometer for motion detection, compatible with AT commands.
A9G development board that offers GSM/GPRS/SMS/Audio cellular connectivity, GPRS communication and GPS/BDS dual mode positioning.
The board contains lithium battery charge management circuit, microphone, speaker interface, USB communication interface, multiple keys / LED, TF card slot, accelerometer, SPI interface, I2C2 and ADC.
This board is ideal for any project that requires mobile connectivity, portability (due to the possibility of attaching a lithium ion cell), GPS location and accelerometer sensor.
It can also be used together with an expansion board with a camera for transmitting live images.
Specifications:
Supply voltage: 5VDC - Micro USB - Lithium battery 3.7V
Firmware: AT
Serial communication speed: 2400bps - 1.8Mbps
Baud Rate default: 115200