About 800 Series

The Cisco 800 Series also includes broadband routers that provide highly secure Internet access and corporate network connectivity to small remote offices and teleworkers. The routers connect to the Internet or corporate networks through an ADSL (Cisco 837), ADSL over ISDN (Cisco 836), G.SHDSL (Cisco 828), or serial (Cisco 805) connection, or via an Ethernet WAN port connected to an external DSL or cable modem (Cisco 831).