WWAN is a predictable, cost-efficient remote access solution. Instead of managing the setup, use, and payment of multiple connectivity solutions for your remote workers (remote office connectivity, hotel and airport Wi-Fi, and home office access), you can use a single, cost-effective solution with wide national coverage, consistent experience, simple setup, comprehensive support, and predictable cost. - Wireless WAN (WWAN) differs from a wireless LAN (WLAN) because it uses cellular network technologies such as WIMAX, CDMA, GSM, HSDPA, or 3G to transfer data(1). These cellular technologies are offered regionally, nationwide, and globally and are provided by a wireless service(2) provider, typically for a monthly usage fee. 1) WAN cards: Requires separate agreement with select third-party service provider, and is subject to credit approval and applicable service agreement/terms, rate plan, and coverage maps of the provider. Service is available in select metropolitan markets, not available in all areas. Service provider, not Lenovo, is solely responsible for service. Lenovo customers may be contacted after purchase to activate service. A network connection, third-party software, or additional hardware may be required. Additional restrictions may apply. 2) WWAN Service Providers: Requires separate agreement with select third party service provider, and is subject to credit approval and applicable service agreement/terms, rate plan and coverage maps of the provider. Service is available in select metropolitan markets, not available in all areas. Service provider, not Lenovo, is solely responsible for service. Lenovo customers may be contacted after purchase to activate service. A network connection, third-party software and/or additional hardware may be required. Additional restrictions may apply.