A 4G system provides mobile ultra-broadband Internet access, for example to laptops with USB wireless modems to smartphones and to other mobile devices.
Wireless:
Wireless network refers to any type of computer network that is not connected by cables of any kind. It is a method by which homes. Wireless wide area networks are wireless networks that typically cover large areas such as between neighboring towns and cities, or city and suburb. These networks can be used to connect branch offices of business or as a public internet access system.
Bluetooth:
Bluetooth is managed by the Bluetooth Special Interest Group which has more than 17,000 member companies in the areas of telecommunication, computing, networking, and consumer electronics.
Network interface card:
The network controller implements the electronic circuitry required to communicate using a specific physical layer and data link layer standard such as Ethernet Wi-Fi or Token Ring.
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