Cisco C2921-VSEC/K9 | 2921 Integrated Services Router

1. Dimensions: 43.8 cm x 43.5 cm x 4.5 cm
2. Weight: 13.2 kg
3. Power supply: AC 120/230 V (50/60 Hz)
4. RAM: 512 MB (installed) / 2 GB (max)
5. Flash Memory: 256 MB (installed) / 8 GB (max)
6. Network / Transport Protocol: IPSec, PPPoE, DHCP, Bonjour, DDNS, DHCPv6, DNS, L2TPv3, NTP, PAP, RADIUS, TFTP, GRE, IPv6, OSPFv3, static IPv4 routing, static IPv6 routing
7. Remote Management Protocol: SNMP 3, SSH, CLI
8. Encryption Algorithm: SSL, TLS
9. Authentication Method: Secure Shell (SSH), RADIUS, TACACS+
10. VoIP Protocols: H.323, MGCP, SIP, SCCP
11. Digital Signaling Protocol: ISDN, VoIP
12. WAN Ports Qty: 3

Notes:
1. This router is designed for small to medium-sized businesses that require secure voice and data communications.
2. The router's built-in security features, such as firewall and VPN capabilities, help protect your network from cyber threats.
3. The Cisco 2921 router supports a wide range of WAN connectivity options, including T1/E1, T3/E3, and DSL.