Geolinker ESP32 GSM & GPS Cellular IoT Development Board (ESP32-S3 + SIM868)
Build powerful GPS tracking and cellular IoT applications with the Geolinker GL868, an all-in-one development board that combines the performance of the ESP32-S3, SIM868 GSM/GPRS, and GNSS GPS into a single compact platform.
Unlike traditional IoT setups that require separate ESP32, GSM, GPS, and power management modules, the GL868 integrates everything into one ready-to-use board, allowing faster development, cleaner wiring, and more reliable deployments.
🎥 Getting Started Video
Documentation & Wiki:
Geolinker GL868 Official Wiki
Key Features
- ESP32-S3 Powered – Dual-core 240MHz processor with WiFi and Bluetooth LE support.
- Integrated GSM Connectivity – Built-in SIM868 module for SMS, HTTP, GPRS, and voice communication.
- Multi-Constellation GPS – Supports GPS, GLONASS, and BeiDou for accurate location tracking.
- Battery Charging Circuit – Onboard LiPo charging and power management system.
- Motion Detection Support – Integrated accelerometer enables wake-on-motion functionality.
- USB Type-C Interface – Convenient programming, debugging, and charging.
- Integrated Antennas – Built-in GSM and GPS antennas eliminate the need for external antennas.
- Developer Friendly – Compatible with Arduino IDE, PlatformIO, and ESP-IDF.
Why Choose Geolinker GL868?
Traditional GPS tracking projects often require multiple hardware modules:
- ESP32 Controller
- GPS Module
- GSM Module
- Battery Charger
- Power Management Circuit
With the Geolinker GL868, everything is integrated into a single board, helping you:
- Reduce wiring complexity
- Accelerate development time
- Improve reliability
- Reduce overall project cost
- Optimize power consumption
Perfect For
- Vehicle Tracking Systems
- Fleet Management Solutions
- Asset Tracking Devices
- Personal GPS Trackers
- Anti-Theft Systems
- Logistics Monitoring
- Remote Monitoring Projects
- Industrial IoT Applications
- Agricultural Monitoring Systems
- Cellular IoT Prototyping
Technical Specifications
| Microcontroller | ESP32-S3 |
| Processor | Dual-Core Xtensa LX7 |
| Clock Speed | Up to 240MHz |
| Wireless Connectivity | WiFi + Bluetooth LE |
| Cellular Module | SIM868 GSM/GPRS |
| GNSS Support | GPS, GLONASS, BeiDou |
| USB Interface | USB Type-C |
| Battery Support | Single Cell LiPo |
| Charging Circuit | Integrated Onboard |
| Motion Detection | Accelerometer Supported |
| Development Platforms | Arduino IDE, PlatformIO, ESP-IDF |
Package Includes
- 1 × Geolinker GL868 ESP32-S3 GPS GSM Development Board
- Integrated GSM Antenna
- Integrated GPS Antenna
- USB Type-C Interface
Developer Friendly
- Open-source hardware design
- Extensive tutorials and documentation
- GPS tracking examples
- HTTP and cloud connectivity support
- SMS command implementation
- Voice call handling support
- Ready for custom IoT dashboards
Designed & Made in India
The Geolinker GL868 is proudly designed and manufactured in India, providing a powerful alternative to TTGO T-Call and similar ESP32 GSM development boards while offering integrated GPS tracking and cellular IoT connectivity in a compact form factor.
Original: $17.75
-65%$17.75
$6.21More Images
Geolinker ESP32 GSM & GPS Cellular IoT Development Board (ESP32-S3 + SIM868)
Build powerful GPS tracking and cellular IoT applications with the Geolinker GL868, an all-in-one development board that combines the performance of the ESP32-S3, SIM868 GSM/GPRS, and GNSS GPS into a single compact platform.
Unlike traditional IoT setups that require separate ESP32, GSM, GPS, and power management modules, the GL868 integrates everything into one ready-to-use board, allowing faster development, cleaner wiring, and more reliable deployments.
🎥 Getting Started Video
Documentation & Wiki:
Geolinker GL868 Official Wiki
Key Features
- ESP32-S3 Powered – Dual-core 240MHz processor with WiFi and Bluetooth LE support.
- Integrated GSM Connectivity – Built-in SIM868 module for SMS, HTTP, GPRS, and voice communication.
- Multi-Constellation GPS – Supports GPS, GLONASS, and BeiDou for accurate location tracking.
- Battery Charging Circuit – Onboard LiPo charging and power management system.
- Motion Detection Support – Integrated accelerometer enables wake-on-motion functionality.
- USB Type-C Interface – Convenient programming, debugging, and charging.
- Integrated Antennas – Built-in GSM and GPS antennas eliminate the need for external antennas.
- Developer Friendly – Compatible with Arduino IDE, PlatformIO, and ESP-IDF.
Why Choose Geolinker GL868?
Traditional GPS tracking projects often require multiple hardware modules:
- ESP32 Controller
- GPS Module
- GSM Module
- Battery Charger
- Power Management Circuit
With the Geolinker GL868, everything is integrated into a single board, helping you:
- Reduce wiring complexity
- Accelerate development time
- Improve reliability
- Reduce overall project cost
- Optimize power consumption
Perfect For
- Vehicle Tracking Systems
- Fleet Management Solutions
- Asset Tracking Devices
- Personal GPS Trackers
- Anti-Theft Systems
- Logistics Monitoring
- Remote Monitoring Projects
- Industrial IoT Applications
- Agricultural Monitoring Systems
- Cellular IoT Prototyping
Technical Specifications
| Microcontroller | ESP32-S3 |
| Processor | Dual-Core Xtensa LX7 |
| Clock Speed | Up to 240MHz |
| Wireless Connectivity | WiFi + Bluetooth LE |
| Cellular Module | SIM868 GSM/GPRS |
| GNSS Support | GPS, GLONASS, BeiDou |
| USB Interface | USB Type-C |
| Battery Support | Single Cell LiPo |
| Charging Circuit | Integrated Onboard |
| Motion Detection | Accelerometer Supported |
| Development Platforms | Arduino IDE, PlatformIO, ESP-IDF |
Package Includes
- 1 × Geolinker GL868 ESP32-S3 GPS GSM Development Board
- Integrated GSM Antenna
- Integrated GPS Antenna
- USB Type-C Interface
Developer Friendly
- Open-source hardware design
- Extensive tutorials and documentation
- GPS tracking examples
- HTTP and cloud connectivity support
- SMS command implementation
- Voice call handling support
- Ready for custom IoT dashboards
Designed & Made in India
The Geolinker GL868 is proudly designed and manufactured in India, providing a powerful alternative to TTGO T-Call and similar ESP32 GSM development boards while offering integrated GPS tracking and cellular IoT connectivity in a compact form factor.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Build powerful GPS tracking and cellular IoT applications with the Geolinker GL868, an all-in-one development board that combines the performance of the ESP32-S3, SIM868 GSM/GPRS, and GNSS GPS into a single compact platform.
Unlike traditional IoT setups that require separate ESP32, GSM, GPS, and power management modules, the GL868 integrates everything into one ready-to-use board, allowing faster development, cleaner wiring, and more reliable deployments.
🎥 Getting Started Video
Documentation & Wiki:
Geolinker GL868 Official Wiki
Key Features
- ESP32-S3 Powered – Dual-core 240MHz processor with WiFi and Bluetooth LE support.
- Integrated GSM Connectivity – Built-in SIM868 module for SMS, HTTP, GPRS, and voice communication.
- Multi-Constellation GPS – Supports GPS, GLONASS, and BeiDou for accurate location tracking.
- Battery Charging Circuit – Onboard LiPo charging and power management system.
- Motion Detection Support – Integrated accelerometer enables wake-on-motion functionality.
- USB Type-C Interface – Convenient programming, debugging, and charging.
- Integrated Antennas – Built-in GSM and GPS antennas eliminate the need for external antennas.
- Developer Friendly – Compatible with Arduino IDE, PlatformIO, and ESP-IDF.
Why Choose Geolinker GL868?
Traditional GPS tracking projects often require multiple hardware modules:
- ESP32 Controller
- GPS Module
- GSM Module
- Battery Charger
- Power Management Circuit
With the Geolinker GL868, everything is integrated into a single board, helping you:
- Reduce wiring complexity
- Accelerate development time
- Improve reliability
- Reduce overall project cost
- Optimize power consumption
Perfect For
- Vehicle Tracking Systems
- Fleet Management Solutions
- Asset Tracking Devices
- Personal GPS Trackers
- Anti-Theft Systems
- Logistics Monitoring
- Remote Monitoring Projects
- Industrial IoT Applications
- Agricultural Monitoring Systems
- Cellular IoT Prototyping
Technical Specifications
| Microcontroller | ESP32-S3 |
| Processor | Dual-Core Xtensa LX7 |
| Clock Speed | Up to 240MHz |
| Wireless Connectivity | WiFi + Bluetooth LE |
| Cellular Module | SIM868 GSM/GPRS |
| GNSS Support | GPS, GLONASS, BeiDou |
| USB Interface | USB Type-C |
| Battery Support | Single Cell LiPo |
| Charging Circuit | Integrated Onboard |
| Motion Detection | Accelerometer Supported |
| Development Platforms | Arduino IDE, PlatformIO, ESP-IDF |
Package Includes
- 1 × Geolinker GL868 ESP32-S3 GPS GSM Development Board
- Integrated GSM Antenna
- Integrated GPS Antenna
- USB Type-C Interface
Developer Friendly
- Open-source hardware design
- Extensive tutorials and documentation
- GPS tracking examples
- HTTP and cloud connectivity support
- SMS command implementation
- Voice call handling support
- Ready for custom IoT dashboards
Designed & Made in India
The Geolinker GL868 is proudly designed and manufactured in India, providing a powerful alternative to TTGO T-Call and similar ESP32 GSM development boards while offering integrated GPS tracking and cellular IoT connectivity in a compact form factor.
