1). Chipset:RTL 2). CardBus form factor for CardBus equipped portable PCs 3). IEEE 802.3 for 10BASE-T and IEEE 802.3u for 100BASE-TX compliant 4). Automatically negotiates 10 or 100 Mbps connection rate 5). Provides full-duplex to enhance throughput 6). Complies with PC Card 1995 CardBus standards 7) Switchless design and software-configurable card setting 8). 68-pin connector for attachment to PC's CardBus slot 9) 3.3V low power consumption 10). LEDs diagnostics and monitoring indicators 11). Network Interface: 1x RJ-45 port to connect with 10 Base-T/100 Base-TX RJ-45 Port 12). Windows ME, 95, 98 and Windows NT 4.0, 2000, XP