t Is a Wireless Network?: Five Questions to Start With What is a wireless network? How is it different from a wired network? And what are the business benefits of a wireless network? The following overview answers basic questions such as What is a wireless network?, so you can decide if one is right for your business. What Is a Wireless Network? What is a wireless network, exactly? A wireless local-area network (LAN) uses radio waves to connect devices such as laptops to the Internet and to your business network and its applications. When you connect a laptop to a WiFi hotspot at a cafe, hotel, airport lounge, or other public place, you're connecting to that business's wireless network. What Is a Wireless Network vs. a Wired Network? A wired network connects devices to the Internet or other network using cables. The most common wired networks use cables connected to Ethernet ports on the network router on one end and to a computer or other device on the cable's opposite end