The 4- and 8-port Cisco Gigabit Ethernet Enhanced High-Speed WAN interface cards (EHWICs) can reduce your company&039;s total cost of ownership (TCO) by integrating Gigabit Ethernet (GE) switch ports within Cisco 3900, 2900, and 1900 Series Integrated Services Routers (ISRs). These low-density Gigabit Ethernet switches offer small to medium-sized business (SMB) and enterprise branch-office customers a combination of switching and routing integrated into a single device. Product Type: WAN Module Technical Information Application/Usage: Data Networking Application/Usage: Wide Area Network Interfaces/Ports Interfaces/Ports: 4 x 10/100/1000Base-T WAN Interfaces/Ports Details: 4 x RJ-45 10/100/1000Base-T Network WAN Media & Performance Connectivity Media: Category 5e UTP 10/100/1000Base-T Data Transfer Rate: 100 Mbps Fast Ethernet Data Transfer Rate: 1 Gbps Gigabit Ethernet Data Trans