The Feasycom FSC-BT836B is a dual-mode Bluetooth 5.3 module that is 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 standout feature of this module is its support for multi-master and single-slave configuration, enabling up to 8 master devices (7 Android devices and 1 iOS device) to connect to a single slave device. This capability allows for efficient coordination and communication between multiple devices, providing enhanced flexibility and productivity in a variety of use cases. In addition, the FSC-BT836B offers high-speed data transmission capabilities. When connected to devices using the Android operating system via the SPP profile, it supports a maximum data transfer rate of 80KB/s. For devices using the iOS system and connected via the GATT profile, it supports a maximum data transfer rate of 65KB/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-BT836B 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.