Cisco CISCO2851-V/K9-RF | 2851 Integrated Services Router 2 x AIM, 4 x HWIC, 1 x nmE

1. Dimensions: 17.2 x 16.4 x 3.5 inches
2. Weight: 25.1 pounds
3. Processor: 1 x 2.2 GHz
4. RAM: 512 MB
5. Flash Memory: 64 MB
6. Interfaces: 2 x 10/100/1000 Gigabit Ethernet, 2 x USB 1.1, 1 x Console, 1 x Auxiliary
7. Expansion Slots: 4 x HWIC, 2 x AIM, 1 x NME
8. Supported Protocols: OSPF, BGP, EIGRP, RIP, IS-IS, PIM-SM, IGMP, HSRP, GLBP, VRRP, MPLS, QoS, IPSec, VPN
9. Power Supply: AC 100/240 V (50/60 Hz)
10. Max Power Consumption: 250 W
11. Operating Temperature: 32 to 104°F (0 to 40°C)
12. Operating Humidity: 10 to 85% non-condensing

Notes:
1. The Cisco 2851 is a high-performance router that can handle complex network configurations.
2. With its multiple expansion slots, this router can be customized to fit a variety of networking needs.
3. The router's support for various protocols and security features make it a reliable choice for businesses.