Routers are not absolutely necessary if you prefer to use a hard-wired connection and run an Ethernet cable directly to your computer, but given most mobile devices lack a dedicated Ethernet port, opting for a wireless network remains the only solution for picking up an Internet connection using a smartphone or tablet.
https://www.digitaltrends.com/computing/wireless-router-buying-guide/
As long as they all have wireless adapters, several devices can use one router to connect to the Internet. This connection is convenient, virtually invisible and fairly reliable; however, if the router fails or if too many people try to use high-bandwidth applications at the same time, users can experience interference or lose their connections.
https://computer.howstuffworks.com/wireless-network1.htm
A computer's wireless adapter translates data into a radio signal and transmits it using an antenna. A wireless router receives the signal and decodes it. The router sends the information to the Internet using a physical, wired Ethernet connection. The process also works in reverse, with the router receiving information from the Internet, translating it into a radio signal and sending it to the computer's wireless adapter. Keep Reading Below The radios used for WiFi communication are very similar to the radios used for walkie-talkies, cell phones and other devices.
https://computer.howstuffworks.com/wireless-network1.htm
A wireless router determines the speed of Wi-Fi on all the devices in your home. Here's what you need to know before you buy. A wireless router determines the speed of Wi-Fi on all the devices in your home.
https://www.digitaltrends.com/computing/wireless-router-buying-guide/
These days, wireless routers are everywhere. Nearly every house, apartment, business, and sketchy van parked down by the river has one. A functional wireless router allows you to easily connect your computer to a broadband Internet service so you share data files and stream media between mobile/Wi-Fi devices.
https://www.digitaltrends.com/computing/wireless-router-buying-guide/
Although you could opt for a wired router, we suggest a wireless model so you can avoid stringing Ethernet cable around your home unless you absolutely have to; besides, a wireless router is the best way to access the Internet using your smartphone or tablet.
https://www.digitaltrends.com/computing/wireless-router-buying-guide/
Routers are small electronic devices that join multiple computer networks together via either wired or wireless connections. In technical terms, a router is a Layer 3 network gateway device, meaning that it connects two or more networks and that the router operates at the network layer of the OSI model.
https://www.lifewire.com/how-routers-work-816456
Any router you buy should support at least WPA2 (the second implementation of the Wi-Fi Protected Access protocol), but every device you add to your network must also support WPA2 for this to work. Your network is only as secure as the least-secure device that’s connected to it.
https://www.digitaltrends.com/computing/wireless-router-buying-guide/
Still, home routers provide many essential home networking functions: 1  sharing of home Internet connections for dozens of devices. 2  basic home network firewall and other security support. 3  ability to change router configuration settings from a Web browsers.
https://www.lifewire.com/how-routers-work-816456
A wireless network uses radio waves, just like cell phones, televisions and radios do. In fact, communication across a wireless network is a lot like two-way radio communication. Here's what happens:
https://computer.howstuffworks.com/wireless-network1.htm
what do wifi routers do
A wireless router receives the signal and decodes it.