2021-04-17 17:43:17 -07:00
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---
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id: heltec-hardware
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title: Heltec device
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sidebar_label: Heltec
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---
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## WiFi LoRa 32 (V2)
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2021-04-18 05:58:30 -07:00
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* ESP32 - Wifi & Bluetooth
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* SX127x - LoRa Transceiver
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* Frequency options:
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* 433 MHz
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* 470-510 MHz
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* 863-870 MHz
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* 902-928 MHz
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* Built in 0.96 inch OLED display
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* U.FL antenna connector
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* Reset and Program switches
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* No GPS
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2021-04-19 11:41:38 -07:00
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2021-04-18 05:58:30 -07:00
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* Firmware file: `firmware-heltec-1.x.x.bin`
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* [Purchase link](https://heltec.org/project/wifi-lora-32/)
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[<img src="Heltec WiFi LoRa 32 (V2)" src="/img/hardware/heltec-v2.png" style={{zoom:'25%'}} />](/img/hardware/heltec-v2.png)
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2021-04-17 17:43:17 -07:00
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2021-11-23 11:01:53 -08:00
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* There are two versions of the Heltec (V2). Below is a picture highlighting the visual differences:
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[<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)
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* See [hardware update log](https://heltec-automation-docs.readthedocs.io/en/latest/esp32/wifi_lora_32/hardware_update_log.html) for more details
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