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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.
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).
Bluetooth HID is a lightweight wrapper of the human interface device protocol defined for USB. The use of the HID protocol simplifies host implementation (when supported by host operating systems) by re-use of some of the existing support for USB HID in order to support also Bluetooth HID. Keyboard and keypads must be secure.
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Thousands of patients who were treated at two hospitals in Portland, Oregon, are being told to get bloods tests because of an "infection control breach" linked to an anesthesiologist that may have ...
The user's face is scanned by the headset during setup to generate a persona—a realistic avatar used by OS features. [46] One such feature is "EyeSight", an outward-facing screen which displays the eyes of the user's persona. Its eyes appear dimmed when in AR and obscured when in full immersion to indicate the user's environmental awareness.
Speaker Mike Johnson (R-La.) sent a letter to House members warning there would be arrests if people disrupted Israeli Prime Minister Benjamin Netanyahu’s address to lawmakers Wednesday. Johnson ...
Wireless speakers are loudspeakers that receive audio signals using radio frequency (RF) waves rather than over audio cables. The two most popular RF frequencies that support audio transmission to wireless loudspeakers include a variation of WiFi IEEE 802.11, while others depend on Bluetooth to transmit audio data to the receiving speaker.