This data transmission uses suitable protocol such as ARCNET & CSMA/CD where it implements the first two layers of the OSI model, that is the physical layer, and the data link layer. The function of this card is to establish a connection to exchange data within the network. Often the type of LAN card determines the protocols that are used on the network. On the other hand, most of the laptops came with integrated LAN cards both for wired and wireless portable networking. These cards are called PCI cards that shows an Ethernet port to plug in a cable for networking. Presently this device is embedded directly in most the motherboards, but few desktops are requiring to be installed it as external component.

It is as electronic device that crates the network between computers usually through LAN. Purchase High Quality LAN Cards at Best Price in BangladeshĪ LAN card or Network interface card also known as NIC, network card, or network interface controller.