ThinkNode M3 Meshtastic™ Radio

Compact off-grid communication and tracking with the ThinkNode M3! This little Meshtastic radio integrates the LR1110 LoRa chip, nRF52840 MCU, and a GPS module to deliver high-precision, low-power positioning and messaging using the Meshtastic™ app, all without cell service, internet, or satellite. Whether you're hiking, camping, skiing, or establishing a backup communication method around town, the ThinkNode M3 pairs seamlessly with the Meshtastic™ app. It's a perfect everyday carry node that slips right in your pocket. The ThinkNode M3 radio is designed for Meshtastic, offering: Long-Range LoRa Communication: Up to 5-6 km range with +20 dBm transmit power and -140 dBm sensitivity. Hop encrypted messages across your local community mesh to extend reach without needing to share your encryption key.  GPS Positioning: Built-in GNSS module for GPS, GLONASS, GALILEO, and BDS with <1.5m accuracy—perfect for transmitting automatic location tracking data to your private encrypted channel on the mesh. Integrated Sensors: Monitor temperature, humidity, and movement with customizable thresholds for automatic alerts over your mesh network. Bluetooth 5.0 Connectivity: Easy pairing with your phone to customize settings and chat using the free Meshtastic™ app. Waterproof: Injection-molded, IP66-rated body, so don't hesitate to take it outside. Includes Clip Mount: An injection-molded surface mount enables you to clip the device onto any flat surface, secured with the included mounting adhesive pad or included screws. (NOTE: Device can't be charged while in clip) Magnetic Charging & Rugged Build:  770 mAh lithium battery, and magnetic charger for hassle-free use. Charge with any USB-A port. Multiple Applications: Pair it to your phone and use as an active client device to facilitate messaging, or simply place it on a vehicle or other asset to track location or capture environment data remotely. Specifications Feature Specification Main Control IC nRF52840 LoRa Chip LR1110 LoRa Frequency EU868 / US915 Sensitivity -140 dBm or above Max Transmission Power +20 dBm Transmission Rate 1.76~62.5 Kbps LoRa Frequency Range 860 MHz - 960 MHz Communication Distance 5~6 km Bluetooth Bluetooth 5.0 GNSS Location GPS / GLONASS / Galileo / Beidou GNSS Sensitivity -148 dBm (cold start), -156 dBm (hot start), -160 dBm (recapture), -162 dBm (tracking) GNSS Positioning Accuracy <1.5 m (CEP50) Sensors Temperature, Humidity, Accelerometer Indicator Red/Green/Blue three-color LED Button Power On/Off / SOS Trigger Battery Capacity 770 mAh Lithium IP Rating IP66 Operating Temperature -20°C to +60°C Charging Method Magnetic Charging Antennas Internal (GNSS / LoRa / BLE) Power Supply 5V DC Size 64 × 64 × 10 mm (Device); 68 × 68 × 10.2 mm (Fixed Base) Material PC + ABS Certificate CE / FCC Net Weight 40 g What's Included: 1x ThinkNode M3, 1x Charging Cable, 1x Fixed Base and mounting adhesive, 2x Expansion Screws, 1x Lanyard, 1x User Manual.