FSC-BT681 Bluetooth Low Energy BLE 5.0 Mesh Transceiver Module

The FSC-BT681 is a Mini Bluetooth Mesh Module which integrates baseband, radio, Long Range module, external antenna interface and flash memory.

It meets the Bluetooth Version 5.0 specifications. For MESH equipment applications, the embedded 4Mibit flash is flexible and allows for custom software development.

For the data application, the module supports UART interface. With the AT commands, users can get full control of its various functions.

Support communicating with the FeasyBlue app and many other Bluetooth apps

Basic Parameter

Bluetooth Module Model

FSC-BT681

Bluetooth version

BLE 5.0 module

Dimension

10mm*11.9mm*1.7mm

Certifications

BQB

Frequency

2.402-2.480 GHz

Transmit power

+9.5dBm

Power supply

1.7V~3.6V

Antenna type

No built-in PCB antenna(Default version), supports external antenna(Optional)

Profile

SIG MESH, GATT

Features

Ultra small size, High Speed, Long Range, BLE Mesh Network

Main Features

● Bluetooth V5.0
● Embedded 32-bit MCU
● Embedded 4Mbit Flash
● 64KB SRAM
● UART programming and data interface (baudrate can up to 921600bps)
● UART/I2C/SPI/PWM control interfaces
● Transmit power: 9.5dBm
● Receiving sensitivity: -94dBm
● Postage stamp sized form factor
● Support External Antenna
● RoHS compliant

Applications​

Health & Medical Devices

Home Automation

Wearable Device

SIG Mesh

Asset Tracking

Firmware Options

Firmware No.

Application

Profiles Support

FSC-BT681

Data

GATT(Server & Client)、OTA

FSC-BT681

MESH Network

MESH

FSC-BT681

Other

Customization

Type Title Date
Datasheet
April 1, 2022
Dimensions11.9 × 10 × 1.7 mm
Shopping Cart
Long Range module Bluetooth Mesh ModuleFSC-BT681 Bluetooth Low Energy BLE 5.0 Mesh Transceiver Module
$4.0
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