What is a wireless pci used for?
Wireless PCIs are basically used to connect a computer to the internet. These can be installed in a computer in the same way as a video or an audio card.
A wireless adapter is a hardware device used to connect a computer system to a wireless network. It can be in the form of a USB "dongle" or an internal PCI or PCMCIA card. Most modern laptops come with an integrated wireless adapter built-in. The phrase is most commonly used for 802.11x "wifi" networks.