Your internet service provider will probably issue you a cable modem with a built-in wireless router. These devices can handle the data streams in and out of a building and transmit them through the air. If your ISP doesn't give you a combination modem and router, however, you can also buy one separately.
You don't necessarily need a router if you plan on connecting all of your devices directly to the modem via Ethernet cables. However, if you intend to use things for which this is impractical or impossible, like smartphones, tablets, or smart-home accessories, you will need to set up a wireless network. Connect your modem to a TV wall jack with the coaxial cable that came with your modem, then plug in the power source.
If you have an external router, connect it to your modem to set up a wireless network , or connect your devices directly to the modem via Ethernet. Plug one end of an Ethernet cable into your modem and the other end into the router's WAN port.
Locate your router's network name and network key usually found on the bottom of the device , then connect to the Wi-Fi network on your computer. Potential reasons your modem isn't working include loose or damaged cable connections, miscommunication with the router, overheating, and outdated firmware or equipment.
If you can't connect to your Wi-Fi network, then you need to troubleshoot your router. Connect the cable splitter to the wall socket, then connect the modem and TV to the splitter.
The minimum signal-to-noise ratio SNR requirement for a cable modem is Actively scan device characteristics for identification. Use precise geolocation data. Select personalised content. Create a personalised content profile. Measure ad performance. Learn more about the EBB Program to see if you qualify.
Get the reliable Internet speed you need at a price you'll love. Plus, enjoy the most in-home coverage and the control you need for the ultimate WiFi experience. Modem vs Router: What's the Difference? Routers bring the Internet to your devices A router connects your devices to each other and, in hard-wired connection setups, to the modem. Simply put, your router: Assigns a local IP address to each device on the network Creates a firewall to prevent security breaches Manages the traffic on your network Handles any Parental Controls Do I need a router and a modem?
Mobile Newsletter chat close. Mobile Newsletter chat dots. Mobile Newsletter chat avatar. Mobile Newsletter chat subscribe. How Cable Modems Work. Do you even know what the modem is? Extra Space " ". Streams When a cable company offers Internet access over the cable, Internet information can use the same cables because the cable modem system puts downstream data -- data sent from the Internet to an individual computer -- into a 6-MHz channel.
Inside the Cable Modem " ". Inside the Cable Modem: Tuner " ". Inside the Cable Modem: Demodulator " ". Inside the Cable Modem: Modulator " ". Microprocessor " ". Cable Modem Termination System " ". Pros and Cons to Cable Modems If you are one of the first users to connect to the Internet through a particular cable channel, then you may have nearly the entire bandwidth of the channel available for your use.
For more information on cable modems and related topics, check out the links on the next page. Why the difference in speed with my cable modem?
How does a T1 line work? CableSense - information on cable modems. These kits usually come in two or three pieces, with one piece that functions like a stand-alone router and one or more pieces that act as satellites.
Place each satellite in between your router and an area of your home with a poor Wi-Fi signal, and it will act as a go-between, increasing the range and improving the quality of your entire wireless network.
Unlike traditional Wi-Fi extenders , which don't coordinate with your router, these mesh Wi-Fi systems were developed to work together ; they make sure that each of your devices is connected to the router or satellite that provides it the best, strongest signal. If you want to know more about the way your router does its job, this summary of common networking terminology is a good place to start. But these common troubleshooting and maintenance tips should help you keep your network running as smoothly and securely as possible.
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