如果想发送和接收流数据（而且想采用传统的串口应用程序，并给它加上蓝牙支持），那么 RFCOMM 更好。

RFCOMM is better when you want to send and receive stream data (and when you'd like to take a traditional serial port application and Bluetooth-enable it).

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单片机根据蓝牙HCI层协议对蓝牙接收和发送数据进行处理。

The MCU deals with data received from or to be sent by bluetooth module according HCI protocol, and builds a wireless communication connection.

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以GC - 06蓝牙接收模块、SD储存卡和RS232串行通讯接口为数据传输接口的蓝牙接收装置设计。

Take GC-06 blue tooth receive module, SD storage card and RS232 serial communication connection as data transmission connection.

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