The TP-Link Cardbus Adapter 54mbps TL-WN310G is a brand new sealed wireless networking card designed for laptops. With a maximum data rate of 54 Mbps, this PC Card Type I adapter is compatible with CardBus ports. The TP-LINK brand ensures reliability and quality in providing a seamless wireless connection for your laptop. Ideal for users looking to upgrade their laptop's networking capabilities with a high-speed connection option.