1ESP32-S3 with room to spare
A dual-core ESP32-S3R2 with 16 MB flash and 2 MB PSRAM, plus Wi-Fi, Bluetooth 5 (LE and Mesh) and LoRa.
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- WiFi LoRa 32 V4 dev board
The classic mesh node board-15%CODENEWMESH15Heltec WiFi LoRa 32 V4 dev board
Meshtastic is an off-grid mesh network for sending text messages over LoRa radio, with no phone signal needed. The WiFi LoRa 32 V4 is a development board with an ESP32-S3 and SX1262 on one PCB, shipped with a screen and antenna.
15%$22.09
Price with code · Meshnology · as of 2026-10-09Code NEWMESH15 · 15% off
first order
2Up to 28 dBm output
The high-power version transmits at up to 28 dBm, and deep sleep draws under 20 μA. It runs from USB-C, a lithium battery or solar input.
3A GPS expansion port
An SH1.25 8-pin port takes a GPS module; the option with GPS is $31.99. Battery and solar cables and pin headers are included.
Key specs
- Chips
- ESP32-S3R2 + SX1262
- Memory
- 16 MB flash, 2 MB PSRAM
- Connectivity
- Wi-Fi, Bluetooth 5, LoRa
- TX power
- Up to 28 dBm (high-power version)
- Power
- USB-C, lithium battery, solar
Good pick if
- You want to build your own Meshtastic node
- You have done Arduino or ESP32 work
Think twice if
- You want a finished device with case and battery
FAQ
Is there a promo code?
Yes. Enter NEWMESH15 at Meshnology checkout when buying the Heltec WiFi LoRa 32 V4 dev board for 15% off. Conditions: first order.
Will my V3 projects run on it?
The store says V4 runs most V3 applications, but some LoRa transmission settings may need adjusting because the RF performance was upgraded.
Does it come with a case or battery?
No. You get the board, a LoRa antenna, battery and solar cables and pin headers. For a kit with case and battery, see the N39.
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