We are HONG KONG CAROL ELECTRONIC CO., LTD. based in Shenzhen , China. We are member of Tradekey.com since February, 2009. Our business is related to Computer Hardware & Software industry and we specifically deal in lan card,modem,swith,TV Card/box,Sound Card,IC. Please find our product details below: USB 2.0 to wired High-speed GIGA Network LAN adapt Specification : Network Standards IEEE 802.3, 802.3u, and 802.3ab Data Bus USB LED Indicators Link, 1000Mbps Power Integrates on-chip 3.3V to 2.5V voltage regulator and requires only single power supply: 3.3V Network Interface Female RJ45 jack supporting Auto MDIX Full Duplex 10BaseT, 100BaseTx, 1000BaseT Half Duplex 10BaseT, 100BaseTx RAM Embedded 20KB SRAM for RX packet buffering and 20KB SRAM for TX packet buffering Operating Temperature 0¡ãC to 70¡ãC Operating System Support Windows 98SE, ME, 2000, XP Certification FCC, CE USB 2.0 to wired High-speed GIGA Network LAN adapt Specification : Network Standards IEEE 802.3, 802.3u, and 802.3ab Data Bus USB LED Indicators Link, 1000Mbps Power Integrates on-chip 3.3V to 2.5V voltage regulator and requires only single power supply: 3.3V Network Interface Female RJ45 jack supporting Auto MDIX Full Duplex 10BaseT, 100BaseTx, 1000BaseT Half Duplex 10BaseT, 100BaseTx RAM Embedded 20KB SRAM for RX packet buffering and 20KB SRAM for TX packet buffering Operating Temperature 0¡ãC to 70¡ãC Operating System Support Windows 98SE, ME, 2000, XP Certification FCC, CE Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.