Cisco C1861-SRSTCF/K9-RF | 1861 8 x Ports 10/100Base-TX RJ-45 LAN + 2 x Ports 10/100Base-TX RJ-45 WAN 1.5U Rack-mountable Integrated Services Router

1. Dimensions: 1.75 x 17.5 x 11.5 inches (H x W x D)
2. Weight: 12.5 pounds
3. Power supply: AC 100/240 V (50/60 Hz)
4. Integrated switch: 8-port 10/100 Ethernet switch
5. WAN interface: 1-port 10/100 Ethernet WAN interface
6. Memory: 256 MB DRAM, 64 MB flash memory
7. VPN support: IPSec VPN, SSL VPN, PPTP VPN
8. Firewall support: Stateful packet inspection (SPI) firewall
9. Quality of Service (QoS): Supports up to 8 queues per port
10. Routing protocols: OSPF, BGP, EIGRP, RIP, static routing
11. Voice support: 2 FXS ports, 2 FXO ports, 4 PoE ports
12. Management: SNMP, Telnet, SSH, CLI, HTTP, HTTPS

Notes:
1. The Cisco 1861 ISR is ideal for small to medium-sized businesses that require voice and data services in a single device.
2. The router supports up to 50 IP phones and includes advanced voice features such as call forwarding, call transfer, and conferencing.
3. The 1861 ISR is easy to set up and manage, with a web-based interface and support for Cisco Configuration Professional.