Card Tracker Compatible for Meshtastic with GPS/WiFi/BT Function | ThinkNode M3 Tracker Card with LR1110 and nRF52840 for Indoor and Outdoor Positioning, 915 MHz, IP66 Waterproof

Powerful Features: The ThinkNode M3 integrates the LR1110, nRF52840, and GPS module, supporting the Meshtastic protocol for stable long-range communication. It offers a transmission range of up to 56 km, perfect for outdoor use, team coordination, and off-grid communication.
High-Precision GPS Navigation: Built-in high-sensitivity GNSS module supports GPS, GLONASS, Galileo, and BeiDou for accurate outdoor tracking with < 1.5 m positioning accuracy. Ideal for hiking, field operations, asset tracking, and emergency location sharing.
Long-Lasting Battery: Features a 770mAh lithium battery and magnetic charging design, delivering up to 18 hours of use on a single charge. It sends data updates every minute by default, with adjustable reporting intervals and real-time battery level monitoring.
Smart Environmental Monitoring: Features built-in temperature, humidity, and accelerometer sensors for environmental monitoring. Sensor thresholds can be customized as needed, and the device will automatically trigger an alert when out of range.
IP66 & Offline Data Caching: With an IP66 waterproof rating, the device ensures stable operation in harsh conditions, perfect for outdoor activities and emergency scenarios. When there is no network connection, the tracker can cache data and upload it after the network is restored