Heltec Wireless Tracker v3

Name: Heltec Wireless Tracker v3
Brand: Heltec Automation
Price: 45 USD

Official Active

Heltec Wireless Tracker v3 is an ESP32-S3 + SX1262 LoRa tracker with built-in GNSS (GPS), 4000+ mAh battery, solar input, and optional display. Designed for Meshtastic mesh networking, IoT tracking, and LoRaWAN applications with extended outdoor operation via solar charging and efficient power management.

~$45 approx.· 2026-06

Product page ↗ Datasheet ↗

References: mesh-sn.de ↗

MCU: ESP32-S3
Radio: SX1262
Display: 0.96″ LCD / TFT
GPS: Quectel L76K
Battery: 4000 mAh
Connectivity: USB, BLE, Wi-Fi

Roles

CompanionRepeaterRoom ServerStandalone Ui

Transports

bleusbwifi

Other variants

Compare all 2 →

Wireless Tracker v2 esp32-s3· Semtech SX1262

Hardware

Radio

Technology: LORA
Chip: Semtech SX1262 ↗
Frequency: 433 MHz,868 MHz,915 MHz
TX power: 22 dBm
Antenna: IPEX-1.0

Processor

Family: Espressif ESP32 series ↗
Model: Espressif ESP32-S3 ↗
Architecture: Xtensa LX
Flash: 8 MB
RAM: 512 KB
PSRAM: 8 MB

Display

Type: LCD / TFT
Controller: ST7735S
Size: 0.96″
Resolution: 80 × 160
Colors: Color

Input

Button: Yes
Button: Yes

GNSS

Chip: Quectel L76K ↗

Battery

Battery: Supported
Built-in capacity: 4000 mAh
Charging: Yes
Connector: SH1.25-2

Power

PMIC: AXP2101

Solar

Solar charging: Supported

Expansion

Connector: Header 2.54 · 12 pins

Physical

LEDs: Status LED
Dimensions: 65.48 × 28.06 × 13.52 mm
Board area: 18.4 cm²
Board volume: 24.8 cm³
Weight: 55 g

Connectivity

USB: USB-C
USB modes: Power, Serial, Flashing
Bluetooth: BLE 5.0
Wi-Fi: Yes

Details

Kind: Product
Lifecycle: Active
Revision: 3
Family: heltec-wireless-tracker
Firmware support: 3
Catalog completeness: 81 %
Also known as: Wireless Tracker, Wireless Tracker v3

Firmware support

Firmware	Type	Target	Status
MeshCore (Official)	Official	heltec_tracker	✓ Supported
MeshCoreNG	Fork	heltec_tracker	✓ Supported
ZephCore	Custom	—	✓ Supported