Heltec WiFi LoRa 32 V4

As of 11/05/2026
AliExpress

The Heltec WiFi LoRa 32 V4 is a compact ESP32-S3 LoRa development board with an onboard OLED display, USB-C, battery support, and an SX1262 LoRa radio.

It is commonly used for MeshCore, Meshtastic, LoRa testing, repeaters, and small off-grid sensor projects.

Check the listing carefully before buying. Some listings may include only the board, while others may include an antenna, case, battery cable, or other accessories.

Frequency and version notes

Make sure you choose the correct LoRa frequency version for your country or region.

Common versions may include:

  • 433 MHz
  • 470 MHz
  • 868 MHz
  • 915 MHz / 923 MHz

Also make sure your antenna matches the frequency of the board.

Always connect a suitable antenna before powering or transmitting with a LoRa board.

Some listings may also vary between higher-power and lower-power versions, so check the product details before ordering.

Key specs

FeatureHeltec WiFi LoRa 32 V4
Main chipESP32-S3R2
LoRa chipSX1262
WirelessWi-Fi, Bluetooth LE, LoRa
DisplayOnboard OLED
USBUSB-C
Battery supportYes
Antenna connectorU.FL / IPEX
Common usesMeshCore, Meshtastic, LoRa repeaters, sensor nodes
Flash16MB
PSRAM2MB

Projects using this part

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