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BT
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Name

BT — Bluetooth subsystem support

Description

Bluetooth is low-cost, low-power, short-range wireless technology. It was designed as a replacement for cables and other short-range technologies such as IrDA. Bluetooth operates in personal area range that typically extends up to 10 meters. More information about Bluetooth can be found at https://www.bluetooth.com.

The Linux Bluetooth subsystem consist of several layers:

Bluetooth Core: HCI device and connection manager, scheduler
HCI Device drivers: Interface to the hardware
SCO Module: SCO audio links
L2CAP Module: Logical Link Control and Adaptation Protocol
RFCOMM Module: RFCOMM Protocol
BNEP Module: Bluetooth Network Encapsulation Protocol
CMTP Module: CAPI Message Transport Protocol
HIDP Module: Human Interface Device Protocol

To use the Linux Bluetooth subsystem, you will need several user-space utilities such as hciconfig and hcid . These utilities and updates to Bluetooth kernel modules are provided in the BlueZ packages at https://www.bluez.org.

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