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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 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]
These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...
DirecTV: Channel 4201. Press the Input button on your remote and click on the source where you connected your DirecTV Stream to your television. Click the Home button on your remote. Go to the ...
The Surface Pro and Pro 2 feature a 48 watt power supply with a USB (power only) port on the charging brick. As with the Surface 2's power supply, the Pro 2's power supply features a larger indicator light. Microsoft redesigned the power supply for the Surface Pro 3 with a new "fin" connector and a 36 watt rating.
This chip is commonly found in smartphones and other NFC devices. Near-field communication ( NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 centimetres (1.6 in) or less. [1] NFC offers a low-speed connection through a simple setup that can be used for the bootstrapping of ...
The Logitech FreePulse Wireless Headphones are headphones that use Bluetooth to transmit audio from the receiver to the headphones. The receiver can use a 3.5 mm headphone jack to plug into most audio outputs. The headphones emit sound from up to 10 metres (33 ft) away from the receiver using Bluetooth 2.0 with Enhanced Data Rate (EDR) wireless ...