A WiFi card, also known as a wireless network adapter or network interface card (NIC), is a hardware device that allows a computer to connect to a wireless network. It enables a computer to send and receive data wirelessly over a local area network (LAN) or the internet.
WiFi cards can be installed internally on a computer's motherboard or externally via a USB port. They typically support various WiFi standards such as 802.11ac, 802.11n, and 802.11g, with higher standards offering faster data transfer speeds and better connectivity.
WiFi cards come in different forms, including PCIe cards for desktop computers and mini PCIe or M.2 cards for laptops. They usually have an integrated antenna or the option to connect an external antenna for improved signal strength and range.
Overall, a WiFi card is essential for connecting a computer to a wireless network and accessing the internet without the need for a wired connection.
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