---
id: mesh-node
title: HELTEC® Mesh Node
sidebar_label: Mesh Node
sidebar_position: 4
---

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## Mesh Node T114

- **MCU:**
  - nRF52840 (Bluetooth)
- **LoRa Transceiver:**
  - Semtech SX1262
- **Frequency Options:**
  - 433 MHz
  - 470 - 510 MHz
  - 863 - 870 MHz
  - 902 - 928 MHz
- **Connectors:**
  - USB-C
  - 2x1.25 lithium battery interface
  - 2x1.25 solar panel interface
  - 8x1.25 GNSS interface
  - Antenna:
    - U.FL/IPEX antenna connector for LoRa.
    - Integrated 2.4 GHz patch antenna.

### Features

- Onboard 1.14 inch TFT-LCD display is optional.
- GPS module is optional.
- Excellent low power characteristics.

### Flashing

1. Trigger DFU mode manually by double-clicking RST button.

2. Send or paste the prepared firmware UF2 file into the device.

### Pin Map

![Mesh_Node_T114_PIN_MAP](/img/hardware/heltec/Mesh_Node_T114_PIN_MAP.webp)

### Resources

- Firmware file: `firmware-heltec-mesh-node-t114-X.X.X.xxxx.uf2`
- Purchase links
  - International
    - [Heltec](https://heltec.org/project/mesh-node-t114/)
    - [AliExpress](https://www.aliexpress.com/item/1005007460963705.html)

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