IrLAP is the link accesses protocol layer responsible for IrDa device discovery, retransmission, and flow control.
IrLAP是负责IrDa设备发现、重传以及流控制的链路存取协议层。
SDP is the service Discovery Protocol layer, which is used whenever you want to find services on a remote Bluetooth device.
SDP是服务发现协议(Service Discovery protocol)层，用于在远程蓝牙设备上寻找服务。
SDP is the service Discovery Protocol layer, which is used whenever you want to find services on a remote Bluetooth device.
SDP是服务发现协议(Service Discovery protocol)层，用于在远程蓝牙设备上寻找服务。
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