BlackBerry 8820 Smartphone (AT&T)

The BlackBerry 8820 supports the 802.11 a/b/g Wi-Fi standards to enable data access in the enterprise, as well as through public hotspots and wireless home networks. It works in conjunction with both BlackBerry Enterprise Server and BlackBerry Internet Service and can seamlessly switch between cellular networks and a Wi-Fi network to allow you to access email, instant messaging, organizer, web browsing and other mobile data applications.

To meet various security requirements, the BlackBerry 8820 is compliant with Wi-Fi security protocols including WEP, WPA and WPA2, as well as Cisco Compatible Extensions for simple, secure connectivity with Cisco wireless solutions. For enterprises that require Wi-Fi users to access the corporate network through a VPN, the BlackBerry 8820 includes IPSec-based software that supports the most commonly deployed VPN gateways from vendors including Cisco, Check Point and others. The BlackBerry 8820 also supports UMA, enabling wireless carriers to offer a fixed-mobile convergence service for both business and home use.

Here is the link to buy this : BlackBerry 8820 Smartphone (AT&T)