WiFi LoRa 32 V4 22 dBm

Heltec Automation · Dev-board

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Price: $19.90[5]

Specifications

SpecificationValue
Product statusActive [1]
LoRa chipSX1262 [2]
ProcessorESP32-S3 [2]
Radio power158 mW (22 dBm) [2]
Frequency bands470–510 MHz, 863–870 MHz, 902–928 MHz [1]
GPSNot supported [2]
Display typeOLED [2]
Display size0.96 in [2]
Display details0.96-inch OLED [2]
InputButtons [8]
BatteryNo built-in battery [1]
Dedicated solar inputBuilt in [2]
AntennaExternal [2]
Connector: IPEX 1.0 LoRa antenna interface [2]
IP ratingUnknown
Dimensions51.7 × 25.4 × 10.7 mm [2]
WeightUnknown
WiFi LoRa 32 V4 22 dBm product photo
Image: Heltec Automation

Firmware support

FirmwareSupportDetails
MeshtasticOfficial [3]
Details
Build target(s)
heltec-v4
Minimum version
2.7.10.94d4bdf

Confirm your exact device in the official flasher before choosing a build.

Meshtastic web flasher
MeshCoreSupported [4]
Details
Build target(s)
heltec_v4_companion_radio_ble, heltec_v4_companion_radio_usb, heltec_v4_companion_radio_wifi, heltec_v4_repeater, heltec_v4_room_server
Roles
  • Companion (Bluetooth): heltec_v4_companion_radio_ble
  • Companion (USB): heltec_v4_companion_radio_usb
  • Companion (Wi-Fi): heltec_v4_companion_radio_wifi
  • Repeater: heltec_v4_repeater
  • Room server: heltec_v4_room_server
Minimum version
1.9.0

Confirm your exact device in the official flasher before choosing a build.

MeshCore web flasher
UMSHUnsupported [6]—

Where to buy

Vendor / configurationPriceBased inShips from
Heltec Automation
863–870 / 902–928 MHz$19.90
Observed 2026-10-19
Unknown🇨🇳🇪🇺🇺🇸

Notes

This V4 configuration uses ESP32-S3R2 with 2 MB PSRAM; the separate V4-R8 has 8 MB PSRAM.[2] The current 863–870 MHz ESP32-S3R2 OLED maker SKU is listed at $19.90.[5]

Sources

  1. Heltec WiFi LoRa 32 V4 product page
  2. Heltec WiFi LoRa 32 V4.2 datasheet
  3. Meshtastic official hardware device directory
  4. MeshCore official flasher device catalog
  5. Heltec WiFi LoRa 32 V4 863–870 MHz, ESP32-S3R2 OLED SKU
  6. UMSH hardware support list
  7. Heltec WiFi LoRa 32 V4 hardware update log
  8. Heltec V4 Meshtastic firmware input pin mapping

Last updated 2026-10-20