Cisco CISCO2901/K9-RF | 2901 2 x Ports 1000Base-T Gigabit Ethernet 1U Rack-mountable Integrated Services Router

1. Dimensions: 43.8 cm x 43.8 cm x 4.5 cm
2. Weight: 5.44 kg
3. RAM: 512 MB (installed) / 2 GB (max) - DDR3 SDRAM - ECC
4. Flash Memory: 256 MB (installed) / 8 GB (max)
5. Network / Transport Protocol: IPSec, PPPoE, DHCP, Bonjour, DDNS, DHCPv6, DNS, LLDP, SLAAC, NTP
6. Remote Management Protocol: SNMP 3, HTTP, HTTPS, SSH, CLI
7. Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet
8. Routing Protocol: OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, static IP routing, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing, policy-based routing (PBR), MPLS, Bidirectional Forwarding Detection (BFD), IPv4-to-IPv6 Multicast
9. Power: AC 120/230 V (50/60 Hz)
10. Interfaces: 2 x 10Base-T/100Base-TX/1000Base-T - RJ-45, 1 x console - mini-USB Type B, 1 x console - RJ-45, 1 x USB 2.0 - Type A, 1 x management - RJ-45
11. Security: Firewall protection, VPN support, MPLS support, content filtering, URL filtering, Access Control List (ACL) support, Quality of Service (QoS), Dynamic Multipoint VPN (DMVPN)
12. Environmental Parameters: Min Operating Temperature: 0°C, Max Operating Temperature: 40°C, Humidity Range Operating: 10 - 85% (non-condensing)

Helpful Notes:
1. This router is designed for small to medium-sized businesses.
2. It has a modular design, allowing for easy upgrades and expansion.
3. The refurbished model is a cost-effective option for those on a budget.