You should choose an AirCard from a wireless carrier that you specifically want services from because an AirCard made for one wireless carrier doesn’t work on another service. Before selecting an AirCard for your laptop, choose a service from a cellular carrier. You can also consider an AirCard with a removable storage similar to USB flash drives. Also, you can get an AirCard that has an integrated GPS receiver that allows your laptop to double up as an interactive navigator.
AirCard is a wireless modem device manufactured by Sierra Wireless. The card enables a laptop to connect to a wireless provider Mobile Broadband network, allowing you to access the Internet anywhere your mobile phone works. For any AirCard to work on a laptop, the laptop must have Wi-Fi capabilities.
Apart from AirCards, older laptop models also use Express Cards for Internet connection. Almost all new and older laptops are capable of handling AirCards, Connect cards and Broadband Cards. However, finding a card working on older laptops is not easy.
The time on your card solely depends on the plan you buy. You can purchase an AirCard time for 24 hours or for unlimited service, which lasts for a longer period. You need to understand all the terms of your AirCard agreement with your carrier to ensure efficient service delivery.