Cisco 1801 Integrated Services Router provides:

• Secure broadband access with concurrent services for branch and small offices
• Integrated ISDN Basic Rate Interface (BRI), or Ethernet backup port for redundant WAN links
• LAN Switching with optional inline POE
• Secure wireless LAN for simultaneous 802.11a and 802.11b/g operation with use of multiple antennas
• Advanced security including:
  • Stateful Inspection Firewall
  • IP Security (IPSec) VPNs (Triple Data Encryption Standard [3DES] or Advanced Encryption Standard [AES])
  • Dynamic Multipoint VPN (DMVPN) and Easy VPN
  • Intrusion Prevention System (IPS)
  • Antivirus support through Network Admission Control (NAC) and enforcement of secure access policies

Cisco 1801, 1802, and 1803 routers provide high-speed DSL broadband access through asymmetric DSL (ADSL) over basic telephone service (Cisco 1801), ADSL over ISDN (Cisco 1802), or Symmetrical High-Data-Rate DSL (G.SHDSL) (Cisco 1803) while helping to ensure reliable networking with integrated ISDN S/T BRI backup. The Cisco 1801, 1802, and 1803 routers combine the cost benefits of DSL service with the advanced routing capability required for business use of the Internet.