Final answer:
A wireless WiFi router is the device that bridges wireless signals to a wired network, using the WiFi standard and operates in the microwave frequency range.
Step-by-step explanation:
A wireless WiFi router is a device that receives all wireless signals and serves as a bridge between the wireless and wired networks. These routers are integral in facilitating communication via the Internet for wireless devices such as cell phones and laptop computers. They work by exchanging data with these devices through microwaves in the 2.4 GHz to 5.0 GHz range. The term WiFi refers to the standards used in modulating and analyzing microwaves so that wireless routers and devices from various manufacturers are compatible. Computer data that routers process and transmit consist of binary sequences of zeros and ones, representing binary bits.