The Cisco 1921 Integrated Services Router (ISR) delivers highly secure data, mobility, and application services.
2 integrated 10/100/1000 Ethernet ports: GE0/0&GE0/1
2 enhanced High-Speed WAN Interface Card (EHWIC) slots that can host 2 single wide or 1 double wide EHWIC module
Support fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE
Highly secure collaborative communications with Group Encrypted Transport VPN, Dynamic Multipoint VPN, or Enhanced Easy VPN
Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering