The wireless network card is a terminal wireless network device. It does not need to be wired, and it can enable the computer to access the wireless network by using wireless signals, getting rid of the limitation of network cables. According to different interfaces, wireless network cards mainly include PCMCIA wireless network card, PCI wireless network card, MiniPCI wireless network card, USB wireless network card, CF/SD wireless network card and other products.

The MINI PCI-E slot developed and produced by Cisco is a high-speed wireless network card interconnection solution for notebook computers. For the signal transmission stability requirements of wireless network card, the MINI PCI-E slot developed and produced by Cisco adopts point-to-point serial connection, which not only effectively improves the data transmission rate, but also provides higher network bandwidth. The main body of the product is only 4mm high, meeting the integrated design requirements of notebook computers. It can provide a high-speed and stable network experience for laptops in limited space.