What is the Sierra Wireless AirCard® 555?
The Sierra Wireless AirCard 555 wireless network card fits into a standard Type II PCMCIA card slot (available on most notebook PCs) and functions as a wireless network card, a modem, and a mobile phone. This card allows you to connect to the Internet, send and receive e-mail, connect to a corporate network, and make voice calls, without the need for a network cable or phone line.