BT840X
Overview
The BT840X is a high-power 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, significantly extending the range of 802.15.4 and BLE communications while maintaining a low supply voltage range of 1.7V to 5.5V.
Why Choose This Part
The module stands out by combining an integrated power amplifier with a PCB trace antenna, providing superior link budget without requiring external RF components. Its 256kB RAM and 1MB Flash accommodate large application stacks, while the ARM Cortex-M4F processor handles intensive DSP and floating-point tasks at the edge.
Applications
Key Specifications
Getting Started
Development is supported by the Nordic nRF5 SDK and nRF Connect SDK using Segger Embedded Studio or VS Code. Engineers can prototype quickly using the Fanstel EV-BT840X evaluation board, which exposes the 48 GPIO pins and provides access to the USB 2.0 interface and SWD programming port.



