The 3Com Megahertz 10-100 LAN PC Card Model 3CCFE574BT is a laptop network card manufactured by 3Com. It is designed to provide fast and reliable network connectivity for laptops. This unit is a single card that allows users to easily connect their laptops to a local area network (LAN) with speeds of up to 100 Mbps. This product is ideal for individuals or businesses looking to enhance their laptop's networking capabilities for improved connectivity and productivity. Missing dongle Cable