Elecrow ThinkNode M3 Meshtastic Tracker is a compact LoRa GNSS tracking device built for portable tracking, positioning, and emergency use. It combines the LR1110 LoRa chip, nRF52840 controller, and multi-system GNSS support to provide low-power location tracking and long-range mesh communication in a compact enclosure. This makes it especially suitable for personal tracking, vehicle tracking, logistics monitoring, field safety, and outdoor emergency response. The ThinkNode M3 works well in both the Meshtastic and MeshCore ecosystems. It is designed around Meshtastic app compatibility, and it is also supported by the MeshCore Web Flasher, where M1, M2, M3, M5, and M6 are listed as supported Elecrow devices. That makes the M3 a strong option for users who want a dedicated tracker device with either Meshtastic or MeshCore firmware. Features Based on LR1110 and nRF52840 for low-power long-range tracking and mesh communication. Meshtastic app compatible for messaging, map sharing, and location reporting. Supported by MeshCore Web Flasher, giving it a MeshCore firmware path as well. Multi-system GNSS with GPS, GLONASS, Galileo, and Beidou support. One-touch SOS trigger for emergency signaling workflows. Built-in temperature, humidity, and accelerometer sensors for more than simple tracking. Magnetic charging for easier daily charging and carry use. IP66 protection for harsh outdoor and mobile environments. Compact and lightweight body for discreet placement and personal carry. Specifications Main Control IC nRF52840 LoRa Chip LR1110 LoRa Frequency EU868 / US915 Sensitivity -140 dBm or above Max Transmission Power +20 dBm Data Rate Range 1.76 to 62.5 Kbps Frequency Range 860 MHz to 960 MHz Communication Distance 5 to 6 km Bluetooth Bluetooth 5.0 GNSS Systems GPS / GLONASS / Galileo / Beidou Positioning Accuracy Less than 1.5 m (CEP50) Sensors Temperature, humidity, accelerometer Indicator RGB three-color LED Button Power On/Off, SOS trigger Battery 770mAh lithium battery IP Rating IP66 Operating Temperature -20 C to +60 C Charging Method Magnetic charging Antenna Internal onboard antenna for GNSS / LoRa / Wi-Fi / BLE Power Supply 5V DC Size 64 x 64 x 10 mm; base: 68 x 68 x 10.2 mm Material PC + ABS Certification CE / FCC Net Weight 40g Applications Personal tracking for hiking, travel, and outdoor safety. Vehicle tracking for mobile assets and route monitoring. Logistics monitoring with location plus environmental sensing. Emergency rescue and SOS workflows in low-connectivity areas. Portable Meshtastic and MeshCore tracking deployments where compact size matters. Packing List ThinkNode M3 Tracker x1 Charging cable x1 Fixed base and sticker x1 Expansion screws x2 Lanyard x1 User manual x1 Other Content Tracking-focused workflowThe ThinkNode M3 is not just a generic LoRa node. Its main strength is tracking and reporting, especially when location, movement, and environmental data matter at the same time. That makes it more suitable for people, vehicles, assets, and field gear than for fixed relay deployment. Meshtastic workflowThe ThinkNode M3 is designed to work smoothly with the Meshtastic App for communication, positioning, and reporting. If you want to fine-tune client-side behavior, you can also read the OpenELAB Meshtastic Bluetooth settings guide and the OpenELAB Meshtastic network setup guide. MeshCore workflowThe ThinkNode M3 is also a valid MeshCore device. Since the MeshCore Web Flasher explicitly lists M3 among the supported Elecrow devices, it can also be used in the MeshCore ecosystem. That is especially useful for users who want a compact dedicated tracker rather than a handheld messaging node. Resources User manual CE report FCC report Meshtastic official site Meshtastic Web Flasher MeshCore official site MeshCore Web Flasher OpenELAB Meshtastic Bluetooth settings guide OpenELAB Meshtastic network setup guide FAQ Is the ThinkNode M3 mainly a tracker or a general handheld node? It is mainly a tracker-oriented device, especially for positioning, SOS workflows, and portable field tracking. Can it be used for MeshCore? Yes. The MeshCore Web Flasher lists the M3 among the supported Elecrow devices, so it can also be used in the MeshCore ecosystem. Does it support environmental sensing? Yes. It includes temperature, humidity, and accelerometer sensors, so it can report more than just position. What kinds of projects is it best for? It is a strong fit for personal tracking, logistics monitoring, vehicle tracking, outdoor safety, and emergency positioning workflows.
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