How do I compare laptop connect cards?
Interface TypesReview the interface each laptop connect card uses to connect to the computer. In addition to USB models, which are most common and work on most PC and Mac laptops, laptop connect cards may also connect by ExpressCard or the older PC Card/PCMCIA standard. These connections are less common on laptops.Network TypesConsider the connection type used by each laptop connect card. As of a May 2010, most laptop connect cards use 3G mobile broadband connections which, in ideal conditions, may provide connection speeds similar to those found on home broadband connections. Sprint offers 4G devices, which use a different communications standard to offer faster connections.Network InfrastructureCompare the network coverage of mobile broadband carriers to determine which one best fits your needs. AT&T and T-Mobile offer laptop connect cards that offer true international roaming. Although costly, international roaming is possible because both carriers use the GSM global standard for mo