
Geolinker ESP32 GSM & GPS Cellular IoT Development Board (ESP32-S3 + SIM868) with Airtel M2M SIM - 3 Months Free IoT Plan
Note: This product is currently under backorder; all orders will be dispatched after May 7th onwards.
Geolinker GL868 is a all-in-one ESP32 GPS + GSM IoT Development Board to build powerful IoT tracking and monitoring systems with this ESP32-S3 + SIM868 based development board, designed for GPS tracking, GSM communication, and cloud connectivity all in one compact PCB.
- Comes with IoT SIM Card (3 Months FREE Plan), ready to deploy out of the box
- No external modules required, fully integrated GSM + GPS solution
- On-board antenna design for GSM+GPS (no external antenna needed)
- Open source circuit with tutorials and documentation backed by CircuitDigest
Getting Started(Activate SIM card | Start tracking):
The below wiki page and video provides all the required details for you to understand and get started with the GL868 Geolinker Development Board.
Wiki Page: https://circuitdigest.com/wiki/geolinker-esp32-sim868-cellular-iot-gps-tracking-development-board/
Key Features:
- ESP32-S3 Powered - Dual-core 240MHz MCU with WiFi + BLE support
- Built-in GPS (GNSS) - Supports GPS, GLONASS, and BeiDou for accurate tracking
- GSM / GPRS Connectivity (SIM868) - Send data via HTTP, SMS, or calls
- IoT SIM Included (3 Months Free) - 120MB/month data | 100 outgoing minutes | 200 SMS
- Easy activation via KYC
- Battery + Charging Circuit Onboard
- LiPo charging + power management built-in
- Motion Detection (Accelerometer) - Wake-on-motion for ultra low power tracking
- Onboard RGB + Status LEDs
- USB-C Programming & Charging
Perfect For
- GPS Tracking Systems
- Vehicle Tracking / Fleet Management
- Asset Tracking Devices
- Anti-theft Systems
- Remote Monitoring Projects
- IoT Prototyping with Cellular Connectivity
Why This Board?
Unlike traditional setups, where you combine: ESP32 + GSM module + GPS module + power circuit
This board integrates everything into one ready-to-use platform, saving:
- Wiring complexity
- Development time
- Power optimization effort
What’s Included
- ESP32 GPS GSM Development Board
- IoT SIM Card (3 Months Free Plan)
- Onboard GSM + GPS Antenna
- USB-C Interface
Developer Friendly
- Arduino IDE / PlatformIO compatible
- Open-source hardware & library support
- High-level APIs for:
- GPS tracking
- HTTP data upload
- SMS commands
- Call handling
Geolinker GL868 is proudly designed and made in India as an alternative for TTGO T-call and other ESP32 GSM dev boards.
Note: This product is currently under backorder; all orders will be dispatched after May 7th onwards.
Geolinker GL868 is a all-in-one ESP32 GPS + GSM IoT Development Board to build powerful IoT tracking and monitoring systems with this ESP32-S3 + SIM868 based development board, designed for GPS tracking, GSM communication, and cloud connectivity all in one compact PCB.
- Comes with IoT SIM Card (3 Months FREE Plan), ready to deploy out of the box
- No external modules required, fully integrated GSM + GPS solution
- On-board antenna design for GSM+GPS (no external antenna needed)
- Open source circuit with tutorials and documentation backed by CircuitDigest
Getting Started(Activate SIM card | Start tracking):
The below wiki page and video provides all the required details for you to understand and get started with the GL868 Geolinker Development Board.
Wiki Page: https://circuitdigest.com/wiki/geolinker-esp32-sim868-cellular-iot-gps-tracking-development-board/
Key Features:
- ESP32-S3 Powered - Dual-core 240MHz MCU with WiFi + BLE support
- Built-in GPS (GNSS) - Supports GPS, GLONASS, and BeiDou for accurate tracking
- GSM / GPRS Connectivity (SIM868) - Send data via HTTP, SMS, or calls
- IoT SIM Included (3 Months Free) - 120MB/month data | 100 outgoing minutes | 200 SMS
- Easy activation via KYC
- Battery + Charging Circuit Onboard
- LiPo charging + power management built-in
- Motion Detection (Accelerometer) - Wake-on-motion for ultra low power tracking
- Onboard RGB + Status LEDs
- USB-C Programming & Charging
Perfect For
- GPS Tracking Systems
- Vehicle Tracking / Fleet Management
- Asset Tracking Devices
- Anti-theft Systems
- Remote Monitoring Projects
- IoT Prototyping with Cellular Connectivity
Why This Board?
Unlike traditional setups, where you combine: ESP32 + GSM module + GPS module + power circuit
This board integrates everything into one ready-to-use platform, saving:
- Wiring complexity
- Development time
- Power optimization effort
What’s Included
- ESP32 GPS GSM Development Board
- IoT SIM Card (3 Months Free Plan)
- Onboard GSM + GPS Antenna
- USB-C Interface
Developer Friendly
- Arduino IDE / PlatformIO compatible
- Open-source hardware & library support
- High-level APIs for:
- GPS tracking
- HTTP data upload
- SMS commands
- Call handling
Geolinker GL868 is proudly designed and made in India as an alternative for TTGO T-call and other ESP32 GSM dev boards.
Description
Note: This product is currently under backorder; all orders will be dispatched after May 7th onwards.
Geolinker GL868 is a all-in-one ESP32 GPS + GSM IoT Development Board to build powerful IoT tracking and monitoring systems with this ESP32-S3 + SIM868 based development board, designed for GPS tracking, GSM communication, and cloud connectivity all in one compact PCB.
- Comes with IoT SIM Card (3 Months FREE Plan), ready to deploy out of the box
- No external modules required, fully integrated GSM + GPS solution
- On-board antenna design for GSM+GPS (no external antenna needed)
- Open source circuit with tutorials and documentation backed by CircuitDigest
Getting Started(Activate SIM card | Start tracking):
The below wiki page and video provides all the required details for you to understand and get started with the GL868 Geolinker Development Board.
Wiki Page: https://circuitdigest.com/wiki/geolinker-esp32-sim868-cellular-iot-gps-tracking-development-board/
Key Features:
- ESP32-S3 Powered - Dual-core 240MHz MCU with WiFi + BLE support
- Built-in GPS (GNSS) - Supports GPS, GLONASS, and BeiDou for accurate tracking
- GSM / GPRS Connectivity (SIM868) - Send data via HTTP, SMS, or calls
- IoT SIM Included (3 Months Free) - 120MB/month data | 100 outgoing minutes | 200 SMS
- Easy activation via KYC
- Battery + Charging Circuit Onboard
- LiPo charging + power management built-in
- Motion Detection (Accelerometer) - Wake-on-motion for ultra low power tracking
- Onboard RGB + Status LEDs
- USB-C Programming & Charging
Perfect For
- GPS Tracking Systems
- Vehicle Tracking / Fleet Management
- Asset Tracking Devices
- Anti-theft Systems
- Remote Monitoring Projects
- IoT Prototyping with Cellular Connectivity
Why This Board?
Unlike traditional setups, where you combine: ESP32 + GSM module + GPS module + power circuit
This board integrates everything into one ready-to-use platform, saving:
- Wiring complexity
- Development time
- Power optimization effort
What’s Included
- ESP32 GPS GSM Development Board
- IoT SIM Card (3 Months Free Plan)
- Onboard GSM + GPS Antenna
- USB-C Interface
Developer Friendly
- Arduino IDE / PlatformIO compatible
- Open-source hardware & library support
- High-level APIs for:
- GPS tracking
- HTTP data upload
- SMS commands
- Call handling
Geolinker GL868 is proudly designed and made in India as an alternative for TTGO T-call and other ESP32 GSM dev boards.
























