The Cisco Third-Generation Wireless WAN High-Speed WAN Interface Cards are the first enterprise-class 3G WWAN solution. Suitable for both backup & primary applications, the Cisco 3G WWAN HWICs support the latest CDMA & GSM/UMTS standards (EVDO Rev A & HSDPA) & are backward compatible with the widely deployed networks (1x RTT, GPRS/EDGE). The Cisco 3G WWAN HWICs are tightly integrated with the services provided on the award-winning Cisco Integrated Services Routers, which deliver secure data, voice, video, & mobility services. The Cisco 3G WWAN HWICs are supported on the modular Cisco 1841 Integrated Services Router & Cisco 2800 Series & 3800 Series Integrated Services Routers.