Heltec CT62

Name: Heltec CT62
Brand: Heltec Automation
Price: 7 USD

Official Active

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

Product page ↗ Datasheet ↗

References: mesh-sn.de ↗

MCU: ESP32-C3
Radio: SX1262
Display: None
GPS: None
Battery: External
Connectivity: BLE, Wi-Fi

Roles

CompanionRepeaterRoom Server

Transports

blewifi

Hardware

Radio

Technology: LORA
Chip: Semtech SX1262 ↗
Frequency: 470 MHz,868 MHz,915 MHz
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

Power

Power draw (idle): 10 mA
Power draw (TX): 80 mA

Physical

LEDs: None
Dimensions: 17.78 × 17.78 × 2.8 mm
Board area: 3.2 cm²
Board volume: 0.9 cm³
Weight: 2 g

Connectivity

Bluetooth: BLE 5.0
Wi-Fi: 802.11 b/g/n

Details

Kind: Product
Lifecycle: Active
Family: heltec-ct62
Firmware support: 2
Catalog completeness: 84 %
Also known as: Heltec CT62 (Capsule Sensor), HT-CT62

Firmware support

Firmware	Type	Target	Status	Notes
MeshCore (Official)	Official	heltec_ct62	✓ Supported
MeshCoreNG	Fork	heltec_ct62	✓ Supported