MY-BT103 is a small Bluetooth 5.0 Dual mode module, it supports SPP, GATT, HID and other profile. It’s a small size Bluetooth module with PCB antenna.

The module supports UART communication, and users can control the module name, baud rate, and other parameters through AT commands. The default firmware supports SPP and BLE data receive, making it suitable for various Bluetooth dual mode devices such as Bluetooth printers, Barcode scanners, Health & Medical devices, OBD, smart homes, and other wireless IoT devices