A Wireless Router is a technologically sophisticated device that provides Wi-Fi and is connected to a modem. Wireless routers transmit data or information from the internet to computers, mobile phones, and tablets. A Wireless router is a hardware device. Usually, such hardware devices are provided to you by the providers of internet facilities or services to connect the cable or xDSL Internet network. 

Also known as a Wi-Fi router and WLAN (wireless local area network), Wireless routers are mostly used in small areas like a home, school, college, or small office (especially when the home is used as an office).