Cisco CISCO881G-K9 | 880 Series 881 4 x Ports 10/100Base-TX LAN + 1 x Port 10/100Base-TX WAN 1U Rack-mountable Integrated Services Router

Technical Specifications:
1. WAN: 1-port 10/100-Mbps Fast Ethernet WAN interface
2. LAN: 4-port 10/100-Mbps managed switch
3. Wireless: 802.11a/b/g/n, 2x3 MIMO with 2 spatial streams
4. VPN: IP Security (IPsec) VPN hardware acceleration
5. Firewall: Stateful firewall and hardware-accelerated VPN encryption
6. QoS: Support for up to 20 VLANs
7. Memory: 256 MB DRAM and 128 MB flash memory
8. Dimensions: 1.75 x 12.8 x 9.8 inches (H x W x D)
9. Power Supply: AC input voltage: 100 to 240 VAC
10. Operating Temperature: 32 to 104°F (0 to 40°C)
11. Operating Humidity: 10 to 85% noncondensing
12. Operating Altitude: Up to 10,000 ft (3048 m)

Helpful Notes:
1. The Cisco 881g Router is ideal for small businesses and remote offices that need secure and reliable connectivity.
2. It supports multiple WAN technologies, including broadband, Ethernet, and 3G/4G LTE.
3. The router also includes advanced security features such as intrusion prevention, content filtering, and access control.