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Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limited to 2.5 milliwatts, giving it a very short range of up to 10 metres (33 ft).
LAN Access profile makes it possible for a Bluetooth device to access LAN, WAN or Internet via another device that has a physical connection to the network. It uses PPP over RFCOMM to establish connections. LAP also allows the device to join an ad-hoc Bluetooth network.
The Bluetooth protocol RFCOMM is a simple set of transport protocols, made on top of the L2CAP protocol, providing emulated RS-232 serial ports (up to sixty simultaneous connections to a Bluetooth device at a time). The protocol is based on the ETSI standard TS 07.10. RFCOMM is sometimes called serial port emulation.
Uses in a WPAN include, for example, Bluetooth devices such as keyboards, pointing devices, audio headsets, and printers that may connect to smartwatches, cell phones, or computers. A Bluetooth WPAN is also called a piconet , and is composed of up to 8 active devices in a master-slave relationship (a very large number of additional devices can ...
Bluetooth hearing aids can be paired with cellphones, tablets and computers that can send the sound from the device directly to the hearing aid. "This can include audio from phone calls but also ...
Bluetooth Low Energy ( Bluetooth LE, colloquially BLE, formerly marketed as Bluetooth Smart [1]) is a wireless personal area network technology designed and marketed by the Bluetooth Special Interest Group (Bluetooth SIG) [2] aimed at novel applications in the healthcare, fitness, beacons, [3] security, and home entertainment industries. [4]
Bluetooth keyboard. A Bluetooth keyboard is a wireless keyboard that connects and communicates with its parent device via the Bluetooth protocol. These devices are widely used with portable devices such as smart phones and tablets, though they are also used with laptops and ultrabooks. Bluetooth keyboards became popular in 2011, coinciding with ...
Fast Pair. The Google Fast Pair Service, or simply Fast Pair, is Google 's proprietary standard for quickly pairing Bluetooth devices when they come in close proximity for the first time using Bluetooth Low Energy (BLE). [1] It was announced in October 2017 and initially designed for connecting audio devices such as speakers, headphones and car ...
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