BT840XE
Overview
The BT840XE is a high-performance Bluetooth 5.0, Thread, and Zigbee module based on the Nordic nRF52840 SoC. It features an integrated power amplifier that boosts output power to +21dBm, making it ideal for long-range IoT applications requiring robust 802.15.4 or BLE connectivity.
Why Choose This Part
This module combines a powerful ARM Cortex-M4F processor with a high-gain power amplifier to achieve extreme range and reliability. Its wide supply voltage range of 1.7V to 5.5V allows it to operate directly from various battery chemistries or regulated DC rails without additional conversion stages.
Applications
Key Specifications
Getting Started
Development is supported by the Nordic nRF5 SDK and nRF Connect SDK using Segger Embedded Studio or VS Code. Hardware evaluation can be performed using the EV-BT840XE evaluation board, which breaks out the 61 pins for easy prototyping.
BT840 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Data Rate | Antenna Type | Tx Power | Interfaces | Utilized IC / Part | Stock |
|---|---|---|---|---|---|---|
| BT840XE (this part) | 2M | Antenna Not Includ.. | 21dBm | ADC, GPIO, I2C, I2.. | QIAA-52840 | 7,592 |
| BT840 | 12M | Integrated, Trace | 8dBm | SPI, USB | nRF52840 | 14,273 |



