meshtastic/docs/hardware/supported/heltec.md
2022-01-02 17:54:49 +11:00

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---
id: heltec
title: Heltec device
sidebar_label: Heltec
---
## WiFi LoRa 32 (V2)
- ESP32 - Wifi & Bluetooth
- SX127x - LoRa Transceiver
- Frequency options:
- 433 MHz
- 470-510 MHz
- 863-870 MHz
- 902-928 MHz
- Built in 0.96 inch OLED display
- U.FL antenna connector
- Reset and Program switches
- No GPS
- Firmware file: `firmware-heltec-1.x.x.bin`
- [Purchase link](https://heltec.org/project/wifi-lora-32/)
[<img src="Heltec WiFi LoRa 32 (V2)" src="/img/hardware/heltec-v2.png" style={{zoom:'25%'}} />](/img/hardware/heltec-v2.png)
- There are two versions of the Heltec (V2). Below is a picture highlighting the visual differences:
[<img src="Heltec WiFi LoRa 32 (V2)" src="/img/hardware/heltec_v2_vs_v21.png" style={{zoom:'25%'}} />](/img/hardware/heltec_v2_vs_v21.png)
- See [hardware update log](https://heltec-automation-docs.readthedocs.io/en/latest/esp32/wifi_lora_32/hardware_update_log.html) for more details