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Heltec WiFi LoRa 32 V4 ESP32-S3 SX1262 development board with accessories for IoT projects
ESP32-S3 SX1262 LoRa board front, back, and side views for DIY IoT projects and Meshtastic
Heltec WiFi LoRa 32 V4 ESP32-S3 SX1262 development board with accessories for IoT projects
ESP32-S3 SX1262 LoRa board front, back, and side views for DIY IoT projects and Meshtastic

Heltec WiFi LoRa 32 V4 ESP32-S3 SX1262 Meshtastic Compatible IoT Development Board

Sale price $25.99 USD

1. High-Performance ESP32-S3 Platform – Dual-core Xtensa LX7 processor for advanced IoT workloads

2. Long-Range LoRa Communication – SX1262 transceiver with high sensitivity and stable transmission

3. Multi-Protocol Connectivity – Supports Wi-Fi (802.11 b/g/n), Bluetooth 5.0 (LE & Mesh), and LoRa

4. Large Memory Resources – 16MB Flash + 2MB PSRAM for complex applications

5. GNSS Expansion Ready – SH1.25-8Pin interface for GPS module integration

6. Compact & Developer Friendly – Designed for rapid prototyping and embedded development

Model: With Screen + Antenna
Heltec WiFi LoRa 32 V4 ESP32-S3 SX1262 development board with accessories for IoT projects

Heltec WiFi LoRa 32 V4 ESP32-S3 SX1262 Meshtastic Compatible IoT Development Board

Heltec LoRa 32 V4 LoRa Development Board

The Heltec WiFi LoRa 32 V4 is a high-performance IoT development board built around the ESP32-S3R2 dual-core processor and SX1262 LoRa transceiver.

Quality ESP32 S3 board integrates Wi-Fi, Bluetooth 5 (LE & Mesh), and long-range LoRa communication into a compact, low-power platform designed for next-generation IoT and Meshtastic applications.

With enhanced processing capability, optimized power management, solar input support, and GNSS interface expansion, this board is ideal for developers building scalable wireless sensor networks, outdoor tracking systems, and industrial IoT solutions.

Up to 28 dBm transmission power (high-power version). Deep sleep consumption below 20μA. USB Type-C, lithium battery, and solar input power supply methods support.

 

Kindly Note

This is the WiFi LoRa 32 V4 standard version. V4 is compatible with most V3 applications, but some LoRa transmission parameters may require adjustment due to upgraded RF performance.

 

Packing List

  • 1 × Heltec WiFi LoRa 32 V4 Board
  • 1 × LoRa Antenna
  • 2 × SH1.25 Connector Cables (Battery & Solar)
  • 2 × 2.54 Pin Headers (18-pin)
  • 2 × 2.54 Pin Headers (2-pin)

 

Docs & Resources

 

Take a Closer Look

Heltec WiFi LoRa 32 V4 ESP32-S3 SX1262 Meshtastic Compatible IoT Development Board 1
Heltec WiFi LoRa 32 V4 ESP32-S3 SX1262 Meshtastic Compatible IoT Development Board 2

Specification

Item Specification
MCU
ESP32-S3R2 (Xtensa LX7 dual-core)
LoRa Chip
SX1262
Frequency Range
863–928MHz (High Power) / 433–928MHz (Low Power)
Max TX Power
Up to 28 dBm
Receiving Sensitivity
-137 dBm @ SF12, BW=125KHz
Wi-Fi
802.11 b/g/n (up to 150Mbps)
Bluetooth
Bluetooth 5.0 (BLE & Mesh)
Memory
16MB Flash / 2MB PSRAM / 512KB SRAM
Interfaces
USB Type-C, GNSS port, battery & solar input, IPEX antenna
Battery
3.3V–4.4V lithium battery
Operating Temperature
-20°C ~ 70°C
Dimensions
51.7 × 25.4 × 10.7 mm

Warranty & After-Sales

Many of our products are handcrafted, which may result in minor variations or imperfections. If you experience any quality-related issues withinone year of purchase, we will offer afull refund or a replacement shipment. Please contact our support team with photos or videos of the issue, and we will assist you accordingly.

Technical Support & Resources

Heltec WiFi LoRa 32 V4 ESP32-S3 SX1262 Meshtastic Compatible IoT Development Board 1
Product Manual Download
Heltec WiFi LoRa 32 V4 ESP32-S3 SX1262 Meshtastic Compatible IoT Development Board 2
Certification
Heltec WiFi LoRa 32 V4 ESP32-S3 SX1262 Meshtastic Compatible IoT Development Board 3
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Please enter the corresponding discount code in the designated field at the top right of the checkout page and click "Apply." Please note that different discount codes may have varying applicable products, usage limitations, and expiration dates.
For purchase orders, we offer exclusive discounts. Please contact our customer support team at sales@meshnology.com to receive a custom quote.

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United States: We use Amazon Logistics, YanWen, and other shipping providers. Delivery times typically range from 3-14 business days.
Other Countries: Shipping methods vary depending on local availability, with most shipments arriving within 7-14 business days.
Please note that shipping times may vary based on the remoteness of the shipping address.

Expedited shipping is a premium service we offer for faster package delivery.
We work with DHL, UPS, FedEx, and other reliable carriers to ship your order.
For most countries, expedited shipping delivery time is approximately 5-7 business days.

Please contact our support team and provide pictures or videos of the product. We will then provide you with the return warehouse address. Once we receive and verify the returned product, we will process your refund or exchange accordingly.

Once we receive the returned product, we will process your refund within 3 business days.
However, your bank may take 1-3 business days to complete the transaction, meaning the refund may not appear in your account immediately and could take a few business days to reflect.

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