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A Bluetooth earbud, an earphone and microphone that communicates with a cellphone using the Bluetooth protocol. 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).
The NFC range is up to 20 cm (7.87 inches) but the optimum range is less than 4 cm (1.57 inches). iBeacons have a significantly higher range. Not all phones carry NFC chips. Apple's first iPhone model containing NFC chips was the iPhone 6, introduced September 2014, but most modern phones have had Bluetooth 4.0 or later capability for several ...
Bluetooth 1.2 allowed for faster speed up to ≈700 kbit/s. Bluetooth 2.0 improved on this for speeds up to 3 Mbit/s. Bluetooth 2.1 improved device pairing speed and security. Bluetooth 3.0 again improved transfer speed up to 24 Mbit/s. In 2010 Bluetooth 4.0 (Low Energy) was released with its main focus being reduced power consumption.
Able to locate items both short range and long distance, the Apple Airtag is one of the most powerful trackers on the market — for iPhone users. If it's within 30 feet, your phone will find it ...
Open Settings on your iPhone, select General, and then select AirDrop. There are three options: Receiving Off, Contacts Only, and Everyone. Tap Contacts Only to enable sharing only with people you ...
The iPhone maker, along with some other big technology companies, has found it hard to cut reliance on Nvidia's pricey and short-in-supply processors despite in-house efforts to develop their own ...
Bluetooth Low Energy technology operates in the same spectrum range (the 2.400–2.4835 GHz ISM band) as classic Bluetooth technology, but uses a different set of channels. Instead of the classic Bluetooth 79 1-MHz channels, Bluetooth Low Energy has 40 2-MHz channels.
Micromapping and indoor mapping [44] has been linked to Bluetooth [45] and to the Bluetooth LE based iBeacon promoted by Apple Inc. Large-scale indoor positioning system based on iBeacons has been implemented and applied in practice. [46] [47] Bluetooth speaker position and home networks can be used for broad reference.