Cisco C2911-VSEC-CUBE/K9 | 2900 Series 2911 3 x Ports 1000Base-T + 10 x Expansion Slots 2U Rack-mountable Integrated Service Router

1. Dimensions: 43.8 cm x 30.5 cm x 8.9 cm
2. Weight: 7.3 kg
3. RAM: 512 MB (installed) / 2 GB (max)
4. Flash Memory: 256 MB (installed) / 8 GB (max)
5. Data Transfer Rate: 1 Gbps
6. Network / Transport Protocol: IPSec, L2TPv3
7. Remote Management Protocol: SNMP, Telnet, SSH, CLI
8. Features: Firewall protection, VPN support, MPLS support, Syslog support, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED)
9. Power: AC 120/230 V (50/60 Hz)
10. Interfaces: 3 x 10Base-T/100Base-TX/1000Base-T - RJ-45, 1 x console - RJ-45, 1 x auxiliary - RJ-45, 2 x SFP (mini-GBIC)
11. Expansion Slots: 2 (total) / 2 (free) x EHWIC, 1 (total) / 1 (free) x PVDM, 1 (total) / 1 (free) x CompactFlash
12. Operating Temperature: 0°C to 40°C

Helpful notes:
1. The Cisco 2911 ISR is ideal for small to medium-sized businesses that require secure and reliable connectivity.
2. It supports a wide range of protocols and features, making it highly versatile and customizable.
3. The router's compact size and easy installation make it a great choice for businesses with limited space or resources.