Geolinker ESP32 GSM & GPS Cellular IoT Development Board (ESP32-S3 + SIM868) with Airtel M2M SIM - 3 Months Free IoT Plan

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 boxNo external modules required, fully integrated GSM + GPS solutionOn-board antenna design for GSM+GPS (no external antenna needed)Open source circuit with tutorials and documentation backed by CircuitDigestGetting 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 supportBuilt-in GPS (GNSS) - Supports GPS, GLONASS, and BeiDou for accurate trackingGSM / GPRS Connectivity (SIM868) - Send data via HTTP, SMS, or callsIoT SIM Included (3 Months Free) - 120MB/month data | 100 outgoing minutes | 200 SMSEasy activation via KYCBattery + Charging Circuit OnboardLiPo charging + power management built-inMotion Detection (Accelerometer) - Wake-on-motion for ultra low power trackingOnboard RGB + Status LEDsUSB-C Programming & ChargingPerfect ForGPS Tracking SystemsVehicle Tracking / Fleet ManagementAsset Tracking DevicesAnti-theft SystemsRemote Monitoring ProjectsIoT Prototyping with Cellular Connectivity Why This Board?Unlike traditional setups, where you combine: ESP32 + GSM module + GPS module + power circuitThis board integrates everything into one ready-to-use platform, saving:Wiring complexityDevelopment timePower optimization effort What’s IncludedESP32 GPS GSM Development BoardIoT SIM Card (3 Months Free Plan)Onboard GSM + GPS AntennaUSB-C InterfaceDeveloper FriendlyArduino IDE / PlatformIO compatibleOpen-source hardware & library supportHigh-level APIs for:GPS trackingHTTP data uploadSMS commandsCall handlingGeolinker GL868 is proudly designed and made in India as an alternative for TTGO T-call and other ESP32 GSM dev boards.

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