Heltec CT62
Official Active
Heltec Automation Compact ESP32-C3 + SX1262 LoRa node module with integrated 2.4 GHz Wi-Fi, Bluetooth LE, and IPEX antenna sockets. Designed for low-power IoT use cases such as Meshtastic, MeshCore and LoRaWAN, the CT62 is a stamp-hole package with long-range LoRa connectivity and a minimal module footprint.
~$7 approx (2026-06)
References: mesh-sn.de ↗
- MCU
- ESP32-C3
- Radio
- SX1262
- Display
- None
- GPS
- None
- Battery
- External
- Connectivity
- BLE, Wi-Fi
Roles
CompanionRepeaterRoom Server
Transports
blewifi
Variants
Purchasable options for this device| Revision | Variant | Band | SKU |
|---|---|---|---|
| — | 433MHz | EU433 / CN | ZC-140-433 |
| — | 470~510MHz | CN470 | ZC-140-470 |
| — | 863~870MHz | EU868 | ZC-141-868 |
| — | 902~928MHz | US915 / AU915 | ZC-141-915 |
Hardware
Radio
- Technology
- LORA
- Chip
- Semtech SX1262 ↗
- Bands
- EU433 / CNCN470EU868US915 / AU915
- TX power
- 21 dBm
- TX efficiency
- 1.57 mW/mA
- Antenna
- IPEX-1.0
Processor
- Family
- Espressif ESP32 series ↗
- Model
- Espressif ESP32-C3 ↗
- Architecture
- RISC-V
- Flash
- 4 MB
- RAM
- 400 KB
Battery
- Battery
- External connector
- Built-in
- No
- Charging
- No
- Connector
- extern
Connectivity
- Bluetooth
- BLE 5.0
- Wi-Fi
- 802.11 b/g/n
Firmware support
| Firmware | Type | Target | Status | Notes |
|---|---|---|---|---|
| MeshCore (Official) | Official | heltec_ct62 | ✓ Supported | |
| MeshCoreNG | Fork | heltec_ct62 | ✓ Supported |