FSC-BT634 Nordic nRF52840 Bluetooth Low Energy BLE 5.3 Mesh Transceiver Module

FSC-BT634 is bead on nRF52840.It has protocol support for Bluetooth LE, Bluetooch mesh, Thread, Zigbee, 802.15.4, NFC and 2.4GHz proprietary stacks

The FSC-BT634 is a Thread certified component and as such is ideal for home networking products using the Threadmeash stack.This means it is suitable for developing products for the Matter connected home ecosystem. The radiosupports 802.15.4 PHY and MAC layers and makes it suitable for additional stacks using 802.15.4 such as Zigbee.By default, FSC-BT634 module is equipped with powerful and easy-to-use Feasycom firmware. lt's easy-to-use and completely encapsulated. Feasycom firmware enables users to access Bluetooth functionality with simple ASClI commands delivered to the module over serial interface - it's just like a Bluetooth modem.It supports Wirepas Mesh protocal

Therefore, FSC-BT634 provides an ideal solution for developers who want to integrate Bluetooth wireless technology into their design.

Basic Parameter

Bluetooth Module ModelFSC-BT634
Bluetooth VersionBluetooth v5.3
Dimension10mm × 11.9 mm × 2.0 mm
Transmit Power-20 to +8 dBm
InterfaceUART/I 2S/ I 2C
ProfilesBT5.2 Specifications
Power Supply1.8V~3.6V
AntennaBuilt-in Antenna, supports external antenna
Operating Temperature-40°C ~+85°C


Bluetooth 5.3 multiprotocol radio

  • 2 Mbps
  • Advertising Extensions
  • Long Range
  • -20 to +8 dBm TX power,configurable in 4 dB steps
  • -95 dBm sensitivity in 1 Mbps Bluetooth® low energy mode

64 MHz Arm® Cortex-M4 with FPU
1 MB Flash + 256 KB RAM
IEEE 802.15.4 radio support

  • Thread
  • Zigbee

1.8-3.6 V supply voltage range
NFC-A tag



  • Smart Home products
  • Matter connected home products
  • Industrial mesh networks
  • Smart city infrastructure

Advanced wearables

  • Connected watches
  • Advanced personal fitness devices
  • Wearables with wireless payment
  • Connected Health
  • Virtual/Augmented Reality applications

Interactive entertainment devices

  • Advanced remote controls
  • Gaming controller

Document Download

DatasheetFSC-BT634-datasheet-V1.1 EN.pdfApril 23, 2023


Dimensions11.9 × 10 × 2.0 mm


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FSC-BT634 Nordic nRF52840 Bluetooth Low Energy BLE 5.3 Mesh Transceiver Module
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