What is an AirCard®?
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. Sierra® Wireless manufactures AirCards® for a wide variety of clients, making each card proprietary for a particular service. An air card made to work with Verizon’s wireless broadband service, for instance, will not work with Sprint, so you’ll need to choose the carrier before purchasing an AirCard. If you already have cellular phone
