It is just a wireless USB dongle that provides internet attachments facility. It can provide internet connectivity by connecting to wireless internet networks. The largest advantage is of usability. Such a dongle can be connected to laptops by mobile users and can be landed easily. Moreover such a USB can be traded easily between laptops and desktops too.

The first intention of the Wi-Fi design was to w and be used for many mobile system and Local Area Networks but today it is used popularly to give an access to the internet. It would allow the user with a wireless computer or Personal Digital Assistant that is a PDA, to get running to the internet with an access point in the minimum.

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