Cisco CISCO2901/K9 | 2900 Series 2901 2 x Ports 1000Base-T + 9 x Expansion Slots 1U Rack-mountable Integrated Service Router

1. Dimensions: 43.8 cm x 43.8 cm x 4.5 cm
2. Weight: 5.4 kg
3. Power supply: AC 120/230 V (50/60 Hz)
4. RAM: 512 MB DDR2 SDRAM
5. Flash memory: 256 MB CompactFlash
6. WAN connectivity: 2 integrated 10/100/1000 Ethernet ports
7. LAN connectivity: 2 integrated 10/100/1000 Ethernet ports
8. Expansion slots: 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots, 2 DSP slots, 1 Internal Services Module (ISM) slot
9. Security: VPN support, firewall protection, MPLS support, content filtering, Intrusion Prevention System (IPS)
10. Routing protocols: OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, IGMP, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing, policy-based routing (PBR)
11. Management protocols: Telnet, SNMP 3, HTTP, HTTPS, SSH, CLI
12. Operating temperature: 0°C to 40°C

Notes:
1. The Cisco 2901 router is a versatile and reliable option for small to medium-sized businesses.
2. The router's security features, including VPN support and firewall protection, help keep your network safe from threats.
3. With four EHWIC slots and other expansion options, the Cisco 2901 can be easily customized to meet your specific networking needs.