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There are many short range wireless technology exist in today’s

scenario.

In short range wireless technology 1)Wi-Fi

2)Bluetooth

3)Zigbee

4)NFC

BLUETOOTH : a standard for the short-range wireless interconnection of mobile phones,computers, and other electronic devices.

–> Bluethooth is a wireless technology is enables you to create a wireless connection between two devices

–>Bluetooth topology is referred to as a scattered ad-hoc topology. It defines a small cell called Piconet which is a collection of devices connected in an ad-hoc fashion.

–> “Bluetooth technology was named after a Danish king, King Harald Blatand, who had a penchant for snacking on blueberries and was known for uniting warring factions in what is now Denmark, Norway and Sweden in 1994.

–>Bluethooth technology for connecting their smartphone or computer with an audio device for wireless audio transmission

Wi-Fi : a facility allowing computers, smartphones, or other devices to connect to the Internet or communicate with one another wirelessly within a particular area.

–> In 1991, NCR Corporation with AT&T Corporation invented the precursor to 802.11, intended for use in cashier systems.

–>The first wireless products were under the name WaveLAN. They are the ones credited with inventing Wi-Fi.

–> Wi-Fi is a wireless technology that allow to provide network connectivity.

–>A WiFi connection is established using a wireless adapter to create hotspots – areas in the vicinity of a wireless router that are connected to the network and allow users to access internet services.

***DIFFERENCE BETWEEN BLUETHOOTH AND WI-FI ***

–>The main difference is that Bluetooth is primarily used to connect devices without using cables, while Wi-Fi provides high-speed access to the internet. Bluetooth is a wireless technology standard that is used to exchange data over short distances (less than 30 feet), usually between personal mobile devices

–>They both bluethooth and Wi-Fi is both used to connect devices without using cables.

–>Bluethooth is a wireless technology they used to exchange data over a short distances(lesss than 30 feet).

–>when wi-fi allows you to transfer the network over there.wi-fi allows you to transfer data at 50 meters(160 feet)or less but is a grater than a bluethooth.

–>Bandwidth of bluethooth is low when bandwidth is high.

–>In bluethooth security is less comparatively wi-fi.

–>When power consumption of bluethooth is low when for wi-fi is high.

–>Frequency range of bluethooth is 2.400 GHz to 2.483 GHz whenfrequency range of wi-fi is 2.4 GHz and 5 GHz.

–>bit-rate of bluethooth is 2.1 Mbps when of wi-fi is 600 Mbps.

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