WiFi LoRa 32 V4-R8

Heltec Automation · Dev-board

Compare with other devices

Price: $27.50[5]

Specifications

SpecificationValue
Product statusActive [1]
LoRa chipSX1262 [2]
ProcessorESP32-S3 [2]
Radio power631 mW (28 dBm) [2]
Frequency bands863–870 MHz, 902–928 MHz [2]
GPSNot supported [2]
Display typeOLED [2]
Display size0.96 in [2]
Display details0.96-inch OLED [2]
InputButtons [10]
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-R8 product photo
Image: Heltec Automation

Firmware support

FirmwareSupportDetails
MeshtasticOfficial [3]
Details
Build target(s)
heltec-v4-r8-oled
Minimum version
2.7.23.b246bcd

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

Meshtastic web flasher
MeshCoreSupported [4]
Details
Build target(s)
heltec_v4_r8_companion_radio_ble, heltec_v4_r8_companion_radio_usb, heltec_v4_r8_companion_radio_wifi, heltec_v4_r8_repeater, heltec_v4_r8_room_server
Roles
  • Companion (Bluetooth): heltec_v4_r8_companion_radio_ble
  • Companion (USB): heltec_v4_r8_companion_radio_usb
  • Companion (Wi-Fi): heltec_v4_r8_companion_radio_wifi
  • Repeater: heltec_v4_r8_repeater
  • Room server: heltec_v4_r8_room_server
Minimum version
1.17.0

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
View listing$27.50
Observed 2026-10-19
Unknown🇨🇳🇪🇺🇺🇸
OpenELAB
Global site
View listing		€39.85
Observed 2026-10-19
Unknown🇪🇺🇺🇸🇨🇳
US site
View listing		$44.99
Observed 2026-10-19
Unknown🇪🇺🇺🇸🇨🇳

Notes

Compared with the base V4, the R8 board has 8 MB PSRAM and a different pin map.[2] The 863–870 MHz ESP32-S3R8 OLED configuration is listed at $27.50.[5]

Sources

  1. Heltec WiFi LoRa 32 V4 and V4-R8 product page
  2. Heltec WiFi LoRa 32 V4-R8 datasheet
  3. Meshtastic official hardware device directory
  4. MeshCore Heltec V4-R8 board configuration
  5. Heltec WiFi LoRa 32 V4.3 ESP32-S3R8 863–870 MHz OLED SKU
  6. UMSH hardware support list
  7. Meshtastic firmware commit adding the exact Heltec WiFi LoRa 32 V4-R8 board
  8. OpenELAB HELTEC WiFi LoRa 32 V4.3.1 SX1262 LoRa Node Meshtastic LoRaWAN GPS Included exact offer
  9. OpenELAB US store: HELTEC WiFi LoRa 32 V4 SX1262 LoRa Node Meshtastic LoRaWAN GPS Included
  10. Heltec V4-R8 Meshtastic firmware input pin mapping

Last updated 2026-10-20