Cisco EHWIC-4ESG-P Enhanced High-Speed WAN Interface Card Specifications: Product Type: WAN Module Application/Usage: Wide Area Network Interfaces/Ports: 4 x 10/100/1000Base-T WAN Interfaces/Ports Details: 4 x RJ-45 10/100/1000Base-T PoE WAN Connectivity Media: Category 6 UTP 10/100/1000Base-T Data Transfer Rate: 10 Mbps Ethernet, 100 Mbps Fast Ethernet, 1 Gbps Gigabit Ethernet