Heltec MeshTower V2 Rugged Outdoor Solar-Powered LoRa Node, 10W, 868MHz, BLE, GNSS, IP66 waterproof

The Heltec MeshTower V2 is a standalone, ruggedised outdoor LoRa relay station, designed to deploy resilient infrastructure without relying on the mains electricity supply and in challenging conditions.

It enables the range of mesh radio networks to be extended into the most remote areas.

• Fully self-powered: 18V/10W solar panel coupled with a backup battery comprising three 2800 mAh Li-ion cells with an extended temperature range (-20°C to +60°C).
• IP66 industrial design: Aluminium alloy housing resistant to extreme weather conditions, UV radiation and humidity.
• Dual wireless connectivity: Features Bluetooth for easy configuration via a smartphone and high-precision GNSS positioning.
• High-performance fibreglass antenna: Supplied as standard with a 5.5 dBi omnidirectional antenna with an N-type connector to optimise RF link performance.
• Open-source compatibility: Perfectly suited to the Meshtastic ecosystem and developments using the nRF52840 framework.

Technical specifications

• Microcontroller (MCU): Nordic Semiconductor nRF52840
• LoRa transceiver: Semtech SX1262
• Frequency band: 863–870 MHz (EU868)
• Maximum RF power: +28 dBm* (see below)
• Solar panel: 18 V / 10 W with waterproof seal
• Internal battery: 3x 2800 mAh lithium-ion rechargeable batteries (total 8400 mAh)
• External power input: DC 18–24 V / USB Type-C port compatible with USB-PD 2.0/3.0 (20 V)
• Maximum charging current: ≤ 1.5 A
• Waterproof rating: IP66
• Operating temperature range: -20 °C to +60 °C
• Antenna connectors: N-female (LoRa) and SMA (Bluetooth/GNSS)
• Housing dimensions: 125 x 125 x 52 mm (+40 mm for antenna connector/base)
• Solar panel dimensions: 320 x 230 mm
• Total weight: approx. 1500 g

⚠️ * 868 MHz regulations in France and Europe

This version of the MeshTower can deliver up to +28 dBm. This figure represents the maximum capability of the equipment and does not constitute the authorised power for its use in France.

In the 869.4 to 869.65 MHz band, used in particular by Meshtastic and MeshCore, the maximum authorised power is 500 mW EIRP (Equivalent Isotropic Radiated Power), i.e. +27 dBm EIRP, at the antenna. 

Be aware of the antenna gain: the 500 mW limit relates to the power actually radiated by the installation. Antenna gain, as well as losses in the cable, filters and adaptors used, must be taken into account, and the transmission power adjusted accordingly.

It is the user’s responsibility to configure Meshtastic or MeshCore in accordance with the regulations applicable in their country and in line with their installation.

Compatibility

• Protocols & Networks: Fully compatible with Meshtastic, LoRaWAN and MeshCore mesh networks.
• Client operating systems: Meshtastic apps on Android, iOS, Windows, Linux and macOS (via Bluetooth, USB or LoRa network).
• Mounting: Universal mount compatible with standard-diameter tubular masts (25 to 50 mm) and flat wall mounting.
• RF Connectivity: 50-ohm cables and antennas with N-male terminations or N-to-SMA/PL-259 adaptors.

FAQ