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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.
For example, Android Beam software uses NFC to enable pairing and establish a Bluetooth connection when doing a file transfer and then disabling Bluetooth on both devices upon completion. Nokia, Samsung, BlackBerry and Sony [82] have used NFC technology to pair Bluetooth headsets, media players and speakers with one tap. [83]
Some products will also offer an automatic handset lifter, so the user can wirelessly lift the handset off the telephone by pressing the button on the wireless headset. Bluetooth A typical late 2000's Bluetooth headset. Bluetooth technology is widely used for short-range voice transmission. While it can be and is used for data transmission, the ...
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).
A combined video/audio jack is also present on some computers; several generations of the Raspberry Pi have analog audio and video from the same jack, and Sony also used this style of connection as the TV-out on some models of Vaio laptop. Hands-free sets and headsets often use 3.5 mm or 2.5 mm connectors.
New data from the Department of Labor showed nearly 1.84 million claims were filed in the week ending June 22, up from 1.82 million the week prior. Meanwhile, the 4-week moving average of weekly ...
Raycom Sports is a Charlotte, North Carolina –based producer of sports television programs owned by Gray Television . It was founded in 1979 by husband and wife, Rick and Dee Ray. In the 1980s, Raycom Sports established a prominent joint venture with Jefferson-Pilot Communications which made them partners on the main Atlantic Coast Conference ...
Former President Trump’s lead over President Biden appears to have dipped slightly after he was convicted last week in the New York hush money criminal case, according to a recontact survey ...