Cisco 2821 Router 2800 Series ISR  
Manufacturer    Cisco Systems, Inc  
Manufacturer Part Number    CISCO2821  
Product Type    Cisco 2821 Router  
Form Factor    External - modular - 2U  
Dimensions (WxDxH)    43.8 cm x 41.7 cm x 8.9 cm  
Weight    11.4 kg  
DRAM Memory    512 MB (installed) / 1 GB (max)  
Flash Memory    128 MB (installed) / 256 MB (max)  
Data Link Protocol    Ethernet, Fast Ethernet, Gigabit Ethernet  
Network / Transport Protocol    IPSec  
Remote Management Protocol    SNMP 3, HTTP, SSH-2  
Features    Cisco IOS IP Base , firewall protection, hardware encryption, VPN support, MPLS support, URL filtering  
Power    AC 120/230 V ( 50/60 Hz )