nRF5340 Bluetooth 5.3 Module Matter & LE Audio FSC-BT631D

Product Overview

FSC-BT631D is composed of nRF5340 and CSR8811 dual Bluetooth, supporting BLE, BR/EDR, mesh, NFC, Thread and zigbee.
By default, FSC-BT631D module is equipped with powerful and easy-to-use Feasycom firmware. Ilt's easy to use and completely encapsulated. Feasycom firmware enables users to access Bluetooth functionality with simple AScll commands delivered to the module over serial interface - it's just like a Bluetooth modem.
Therefore, FSC-BT631D provides an ideal solution for developers who want to integrate Bluetooth wireless technology into their design.

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Basic Parameter

Bluetooth Module ModelFSC-BT631D
Bluetooth versionBluetooth 5.3 
ChipsetNordic nRF5340+CSR8811
Dimension12mm x 15mm x 2.2mm
Transmit PowernRF5340 :+3 dBm
CSR8811:+5 dBm(Basic Data Rate)
Operating temperature-30°C~85°C
Frequency2.402 - 2.480 GHz
Supply voltage3.3v


    • Main features

    • BLE5.3+BR/EDR

    • LE Audio

    • Direction Finding

    • 2 Mbps,Advertising Extensions and Long Range

    • Class 1 Bluetooth power level supported

    • Bluetooth mesh

    • Thread, Zigbee and 802.15.4

    • NFC

    • Full-speed USB

    • Secure Key Storage

    • Low Complexity Communications Codec (LC3)

    • l²S and PDM audio interfaces

    • Capable of all angle-of-arrival (AoA) and angle-of-departure (AoD) roles in Bluetooth Direction Finding

    • Ultra-low-power radio


Home automation

LE Audio

Multimedia players

Medical application

True wireless earbuds


Type Title Date
December 29, 2022

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