Elecrow ThinkNode M6 Outdoor Solar Power is a rugged outdoor Meshtastic node built for long-term field deployment. It combines a nRF52840 core, SX1262 LoRa transceiver, L76K GPS, 6W solar charging, 7000mAh battery system, and IP65 waterproof enclosure into a single ready-to-deploy device. This makes it especially suitable for Meshtastic mesh expansion, outdoor relay nodes, remote environmental monitoring, off-grid communication, and solar-powered field infrastructure. The ThinkNode M6 works well in both the Meshtastic and MeshCore ecosystems. It ships as a Meshtastic-oriented device, 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 M6 a strong option for users who want a weatherproof fixed node with either Meshtastic or MeshCore firmware. Features Outdoor solar-powered LoRa node designed for long-term unattended deployment. Based on nRF52840 and SX1262 for low-power long-range communication. Meshtastic-ready workflow for immediate mesh networking use. Supported by MeshCore Web Flasher, giving it a real MeshCore firmware path as well. 6W solar panel and MPPT smart charging for better outdoor energy harvesting. 7000mAh battery system based on 2 x 18650 cells. L76K GPS module for real-time positioning and tracking. Dual SP11 waterproof connectors supporting UART and IIC sensor expansion. IP65 waterproof enclosure for harsh outdoor environments. Flexible mounting for wall, bracket, pole, and U-clamp deployment. Specifications Main Processor Nordic nRF52840, 32-bit Arm Cortex-M4 at 64MHz with FPU System Memory 256KB RAM Storage 1MB Flash, 16MB external Flash Firmware Meshtastic-oriented LoRa Transceiver Semtech SX1262, 150-960MHz Bluetooth Bluetooth 5.4 Low Energy LoRa Frequency US 915MHz / EU 868MHz, external antenna GPS L76K GPS module Expansion Ports Dual SP11 waterproof interfaces, UART and IIC Antenna Ports RP-SMA for LoRa and GPS Battery Capacity 7000mAh, 2 x 18650 Li-ion Solar Power 6W rated power Protection Level IP65 waterproof Operating Temperature -20 to 60 C Applications Meshtastic outdoor relay node for network extension in fixed locations. MeshCore outdoor relay node for private off-grid communication and backbone coverage. Remote environmental monitoring with attached external sensors. Emergency communication infrastructure in remote or low-connectivity areas. Solar-powered field deployments for long-duration low-maintenance networking. Packing List ThinkNode M6 Outdoor Solar Power x1 LoRa antenna x1 GPS antenna x1 Other Content Meshtastic workflowThe ThinkNode M6 is a strong fit for Meshtastic outdoor infrastructure because the solar system, waterproof enclosure, and built-in GNSS make it more suitable for fixed outdoor nodes than a handheld device. If you want to tune network behavior and deployment settings, you can also read the OpenELAB Meshtastic network setup guide and the OpenELAB Meshtastic Bluetooth settings guide. MeshCore workflowThe ThinkNode M6 is also a valid MeshCore device. Since the MeshCore Web Flasher explicitly lists M6 among the supported Elecrow devices, it can also be used in the MeshCore ecosystem. That makes it a practical choice for users who want a fixed outdoor node with solar power and weather protection. Outdoor deployment advantageThe combination of IP65 protection, solar charging, dual waterproof expansion connectors, and flexible mounting makes the M6 much closer to a field deployment platform than a bare LoRa dev board. This is one of its main strengths for permanent or semi-permanent outdoor installation. Resources Elecrow wiki User manual PDF CE and FCC certifications Meshtastic official site Meshtastic Web Flasher MeshCore official site MeshCore Web Flasher OpenELAB Meshtastic network setup guide OpenELAB Meshtastic Bluetooth settings guide FAQ Is the ThinkNode M6 intended for handheld use or fixed outdoor deployment? It is much better suited to fixed outdoor deployment because of its solar power system, IP65 enclosure, and mounting options. Can it be used for MeshCore? Yes. The MeshCore Web Flasher lists the M6 among the supported Elecrow devices, so it can also be used in the MeshCore ecosystem. Does it support external sensors? Yes. The dual SP11 waterproof interfaces support UART and IIC, making external sensor connection possible. What kinds of projects is it best for? It is a strong fit for Meshtastic outdoor relays, MeshCore outdoor relays, remote monitoring, off-grid communication, and solar-powered field installations.