WiFi LoRa 32 Expansion Kit V2

Heltec WiFi LoRa 32 V4-R8 Expansion Kit — 863–928 MHz, 28 dBm, Touch Screen, with Battery

The WiFi LoRa 32 Expansion Box Gen 2 is compatible with the latest WiFi LoRa 32 V4-R8. An TF card slot has been added. Buzzer and GNSS module are integrated by default.

This is the assembled Heltec V4-R8 Expansion Kit with the 2.8-inch touch screen, 28 dBm high-power LoRa, 863–928 MHz radio, and battery included. It combines the WiFi LoRa 32 V4-R8 (ESP32-S3 + SX1262 + 8 MB PSRAM) with an aluminum expansion housing, GNSS, SD card slot, buzzer, and SMA antenna. Ready for Meshtastic, MeshCore, LoRaWAN, and portable off-grid communication.

KEY FEATURES

• ESP32-S3 + SX1262 LoRa node with 8 MB PSRAM
• 863–928 MHz LoRa (covers US915 and EU868)
• 28 dBm high-power transmit version
• 2.8-inch TFT touch screen (320 × 240)
• Quectel L76K GNSS included
• 18650 battery included (2800 mAh flat-top)
• microSD / TF card slot for maps and extra storage
• Aluminum alloy housing with back clip
• Built-in buzzer
• Wi-Fi + Bluetooth 5
• Meshtastic / MeshCore / LoRaWAN compatible

SPECIFICATIONS

Processor & Memory:

• MCU: ESP32-S3R2 / V4-R8
• Flash: 16 MB
• PSRAM: 8 MB

Wireless:

• LoRa: Semtech SX1262
• Frequency: 863–928 MHz
• TX Power: 28 ± 1 dBm
• Receive sensitivity: down to −137 dBm
• Wi-Fi: 802.11 b/g/n
• Bluetooth 5 / BLE / Bluetooth Mesh

Display:

• 2.8-inch TFT touch screen
• Resolution: 320 × 240

Positioning & Storage:

• GNSS: Quectel L76K
• microSD / TF card slot

Power:

• Included 2800 mAh 18650 flat-top Li-ion battery
• USB-C charging
• Battery voltage range: 3.3–4.2 V

Physical:

• Aluminum alloy housing
• SMA female LoRa antenna connector
• Approx. housing size: 52 × 52 × 15 mm
• Weight: about 200 g without battery

What's Included:

• 1 × WiFi LoRa 32 V4-R8 board
• 1 × Expansion board
• 1 × Touch-screen housing
• 1 × LoRa antenna
• 1 × 18650 battery
• 1 × Back clip

NOTES

• This listing is for the specific variant: 863–928 MHz / 28 dBm / Touch Screen / Battery included
• Compatible with Meshtastic and MeshCore
• The enclosure is not waterproof
• Excellent as a portable high-power Meshtastic node with screen, GPS, and onboard battery

FIRMWARE

• Meshtastic: The valid firmware filename is: “firmware-heltec-v4-r8-tft-xxxx.factory.bin” Click to download
• MeshCore: Awaiting Merge | Temporary Download, Click to download.