How does Bluetooth technology work?

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Bluetooth is a wireless technology used for short-range data exchange between devices. It operates on a frequency of 2.4 GHz and uses low-power radio waves to communicate between devices within a range of up to 100 meters. Bluetooth is commonly used for connecting devices such as smartphones, laptops, wireless headphones, and speakers. The technology is based on the concept of a master and slave relationship, where one device is the master and the other is the slave. The master device initiates the connection and controls the data exchange, while the slave device responds to the master’s requests.

Bluetooth technology uses a technique called frequency-hopping spread spectrum (FHSS) to avoid interference from other devices operating in the same frequency band. FHSS works by rapidly switching between multiple frequencies within the frequency band to avoid any interference from other devices. Bluetooth technology has evolved over the years to provide better security features, improved data transfer rates, and support for a wider range of devices. The latest version of Bluetooth, Bluetooth 5, offers improved range, speed, and data transfer rates, making it a more versatile technology for a variety of applications, including hidden cameras and other surveillance devices with Bluetooth connectivity.

This entry was posted in . It was first published in April 2023 ()and last updated on April 3rd, 2023 (1 year ago).

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