The RealtekThe Realtek RTL8185 54 RTL8185 isM Wireless LAN Network Adapter is a wireless network a wireless network adapter that provides 54Mbps interface card (NIC) designed by Realtek, commonly used in laptops, desktops, and other (802.11g) Wi-Fi connectivity for computers, typically in the form of a PCI devices to connect to wireless networks (Wi-Fi). The driver is the software that allows your operating or USB wireless card. The Windows driver for this adapter allows the operating system to communicate system (such as Windows) to communicate properly with the hardware, enabling you to connect to Wi-Fi networks.