An AirCard® is a wireless modem that plugs into a computer and connects to a cellular service provider for nationwide or worldwide Internet access. The term “air card” is sometimes used to refer to the technology in general, and will be used in the same way when it appears in this article.
The advantage of an air card over other types of wireless services is that one can use it to connect to the Internet wherever cellular service is available, rather than relying on hotspots. Using an air card, one can cruise the Web, collect mail or download files from the back of a taxi, from the middle of an oil field, from a secluded cabin, or from a white sand beach.
In my opinion, it is the good one of wireless modem because it is very small, thin, and can access high speed Internet depends on your Internet service provider and the speed of aircard. Moreover you can access Internet in everywhere even if you have computer.
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