You can use RFCOMM or OBEX to send and receive files between Bluetooth devices.

可以采用rfcomm或obex在蓝牙设备之间发送和接收文件。

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The RFCOMM module and the user mode dund daemon implement Bluetooth dialup networking.

RFCOMM模块和用户模式dund后台进程实现了Bluetooth拨号网络。

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In the real world, RFCOMM should be used when you want to take a traditional serial port application and make it Bluetooth-enabled.

在现实世界中，如果想使用传统的串口应用程序，并让它能使用蓝牙，就应当使用RFCOMM。

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