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It is needed to set up a PAN, interconnecting one tablet, two mobile phones and one laptop. Suggest a suitable communication technology and list its features for the following situations:1. the devices are in a room at distance of 5 to 10 meters. 2. the devices are in different rooms at a distance of 25 to 50 meters

Answer»

1. Wireless communication technologies using radio waves Bluetooth: This technology uses radio waves in the frequency range of 2.402 GHz to 2.480 GHz. And transmit data in short distance. Mobile phones, Laptops, tablets etc use Bluetooth technology to transmit data. 

2. Wi Fi(Wireless Fidelity): It uses radio waves to transmit information across a network in a range 2.4 GHz to 5 GHz in short distance. Nowadays this technology is used to access internet in Laptops, Desktops, tablets. Mobile phones etc.



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