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Bluetooth devices intended for use in short-range personal area networks operate from 2.4 to 2.4835 GHz. To reduce interference with other protocols that use the 2.45 GHz band, the Bluetooth protocol divides the band into 80 channels (numbered from 0 to 79, each 1 MHz wide) and changes channels up to 1600 times per second.
Electromagnetic interference at 2.4 GHz may be caused by 802.11b, 802.11g and 802.11n wireless devices, Bluetooth devices, baby monitors and cordless telephones, video senders, and microwave ovens. Switching loads ( inductive , capacitive , and resistive ), such as electric motors, transformers, heaters, lamps, ballast, power supplies, etc ...
Radio jamming is the deliberate blocking of or interference with wireless communications. [1] [2] In some cases, jammers work by the transmission of radio signals that disrupt telecommunications by decreasing the signal-to-noise ratio. [3] The concept can be used in wireless data networks to disrupt information flow. [4]
The problem of dynamic interference, gradual reduction of available hopping channels and backward compatibility with legacy Bluetooth devices was resolved in version 1.2 of the Bluetooth Standard (2003). Such a situation can often happen in the scenarios that use unlicensed spectrum.
Bluetooth is another networking technology using the 2.4 GHz band, which can be problematic given the probability of interference. [9] Near-field communication (NFC) devices such as proximity cards and contactless smart cards use the lower-frequency 13 and 27 MHz ISM bands.
Last year, Broadcom, a major supplier of wireless components to Apple, had signed a multi-billion-dollar deal with the company to develop 5G radio frequency components. (Reporting by Priyanka.G in ...
This is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate over various kinds of buses and channels. The distinction can be arbitrary between a computer bus, often closer in space, and larger telecommunications networks.
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