Heltec WiFi LoRa 32 V4.3 ESP32S3 + SX1262 868Mhz 0.96"

Product detailed description

Heltec WiFi LoRa 32 V4.3 is a next-generation advanced IoT development board that combines a powerful ESP32-S3R2 microcontroller, long-range LoRa communication via the SX1262 chip, and an integrated 0.96" OLED display. Compared to version V3, it offers significantly improved power management, solar charging support, higher LoRa transmission power, expanded peripheral interfaces, and a robust protective PC case with an integrated FPC Wi-Fi antenna. An ideal choice for smart IoT devices, sensors, GNSS projects, and ultra-low-power applications.

Specifications:

• Microcontroller: ESP32-S3R2 (Xtensa LX7 dual-core)
• LoRa Chip: SX1262
• LoRa Frequency: 863–928 MHz (high-power), 433/470–510/863–928 MHz (low-power)
• LoRa TX Power: 28 dBm (high-power), 21 dBm (low-power)
• Receiver Sensitivity: up to –137 dBm @ SF12 BW 125 kHz
• Memory: 512 KB SRAM, 2 MB PSRAM, 16 MB Flash
• Display: integrated 0.96" OLED
• Wi-Fi: 802.11 b/g/n (up to 150 Mb/s)
• Bluetooth: BLE 5.0, Bluetooth Mesh
• Peripheral Interfaces: 7× ADC1, 2× ADC2, 7× Touch, 3× UART, 2× I2C, 2× SPI, others
• USB: Type-C (without CP2102 converter)
• Battery: Li-ion/Li-Po support (3.3–4.4 V) + optimized charging management
• Solar Input: 1.25-2pin connector
• GNSS Input: 1.25-8pin connector
• Antennas: 2.4 GHz FPC + IPEX, LoRa IPEX
• Pin Format: compatible with WiFi LoRa 32 V3 (now 40pin)
• Low Power Mode: <20 µA
• Design: PC case with full display protection
• Operating Temperature: –20 to 70 °C
• Dimensions: 51.7 × 25.4 × 10.7 mm
• Recommended Accessories:
  • Heltec L76K GNSS GPS/BeiDou/GLONASS/QZSS Module with Antenna – adds positioning capabilities to the board for Meshtastic and tracking
  • Heltec Mesh Node T114 V2.0 nRF52840 + SX1262 – a more energy-efficient node with a TFT display and the same GNSS connector

Package contents:

• 1× Heltec WiFi LoRa 32 V4.3 ESP32S3 + SX1262 868 MHz with OLED
• 4x Pin strip
• 2x Power cable
• 1x LoRa 868MHz Antenna

Note:

• This product is not a standalone functional unit and may require professional installation.
• Product images are for illustrative purposes only and may sometimes differ from the actual appearance of the item. However, this does not change their basic properties.