FSC-BT836G Realtek RTL8761 Dual-Mode Bluetooth 4.2 Module for High-Speed Wireless Printers, Barcode Scanners & ECG Machines


The Feasycom FSC-BT836G is a dual-mode Bluetooth 4.2 module specifically optimized for applications in high-speed wireless printers, barcode scanners, and ECG devices. Its design is tailored to meet the specific requirements of these devices, ensuring optimal performance and seamless connectivity. The FSC-BT836G offers high-speed data transmission capabilities. When connected to devices using the Android operating system via the SPP profile, or devices using the iOS system and connected via RFCOMM, it supports a maximum data transfer rate of 80KB/s. This ensures fast and reliable data transfer, facilitating quick and efficient communication between devices. With its optimized design for printer, barcode scanner, and ECG device applications, FSC-BT836G provides robust and high-performance connectivity solutions. Its support for multi-master configuration and high-speed data transmission make it an ideal choice for a wide range of industrial and healthcare applications.


  • BQB, FCC, CE, TELEC, and KC certified
  • Fully qualified Bluetooth 4.2/4.0/3.0/2.1/2.0/1.2/1.1
  • Postage stamp sized form factor
  • Low power consumption
  • Supports Class 1.5 high output power
  • The default UART baud rate is 115.2Kbps and can support from 1200bps up to 921.6Kbps
  • UART, I2C, USB hardware interfaces
  • Supports the OTA upgrade
  • Supports embedded Bluetooth stack profiles of SPP, HID, GATT, ATT, and GAP
  • Supports Apple MFi (iAP2) and iBeacon


  • Smart watch and Bluetooth bracelet
  • Health & nedical devices
  • Wireless POS
  • Measurement and monitoring systems
  • Industrial sensors and controls
  • Asset tacking


Bluetooth Module FSC-BT836G
Certifications BQB, FCC, CE, TELEC, KC
Chipset Realtek RTL8761
Bluetooth Version Bluetooth V4.2 (Dual Mode)
Interface UART, I2C, PIO, AIO, PWM, USB
Frequency Band 2.402 GHz to 2.480 GHz ISM band
Output Power 5.5 dBm (Class 1.5)
Sensitivity -82 dBm @ 0.1% BER
Antenna Integrated chip antenna
Size (mm) 13 × 26.9 × 1.68
Operating Temperature 0 °C to 70 °C
Power Supply 3.3V DC

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