FSC-BT686 Airoha AB1611N BLE 5.0 SIG Mesh Module with 9.5dBm Maximum Output Power


The Feasycom FSC-BT686 is a highly integrated Bluetooth module which integrates baseband, radio, small form factor, external antenna interface and flash memory. It meets the Bluetooth Version 5.0 specification. For mesh equipment applications, the embedded 4Mibit flash is flexible and allows for custom software development.


  • Compliant with BLE 5.0 specification
  • Embedded 32-bit MCU and 4Mbit flash
  • 64KB SRAM
  • Low power consumption
  • TX power up to 9.5 dBm
  • Postage stamp sized form factor
  • UART programming and data interface (baudrate can up to 921600 bps)
  • Supports UART, I2C, SPI, and PWM control interfaces
  • Supports external antenna
  • Supports I-PEX antenna
  • RoHS compliant


  • Remote controller
  • SIG mesh


Bluetooth Module FSC-BT686
Chipset Airoha AB1611N
Bluetooth Standard BLE 5.0
Frequency Band 2.402~2.480GHz ISM band
Transmit Output Power +9.5 dBm (Max.)
Receive Sensitivity -94 dBm (Typ.) @ 0.1% BER
Profiles GATT
Interfaces UART, GPIO, I2C, ADC, PWM
Size (mm) 13 × 26.9 × 2.0 (1.5mm pad pitch)
Power Supply 1.9~3.6V
Operating Temperature -40℃ to +105℃
Storage Temperature -65℃ to +150℃

Send Inquiry

Scroll to Top

Send Inquiry