“I don't understand what the modem does for my existing AT&T service. Will it boost my existing Wifi signal? Will it cut down interference? Do you have any suggestions?”
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my suggestion dump att,i put up with lousy service for too long.internet was slow,would drop out.they kept saying it was my fault.they were right i got rid of att,went with TWC,this modem and a NETGEAR - Nighthawk AC1900 Dual-Band Wi-Fi Router ,guess what? internet problems went away.
Sorry, there was a problem. Please try again later.this is a cable internet modem, will not work with AT&T U-verse, which is a phone line based provider. you would a newer, updated, network router to get better wi-fi from your AT&T service. It would still have to plug into your modem (probably a 2Wire gateway modem, if you got it from AT&T).
Sorry, there was a problem. Please try again later.A cable modem or a wireless router with a cable modem built into the device are typically used to provide broadband internet from a cable internet service provider like Time Warner, Comcast, Cox, Optimum, etc. Typically, if you have service from AT&T, they provide a wireless router for you which is configured to use their service - its not a cable modem either. If you're having trouble with WiFi signal in certain parts of your house, you can purchase a WiFi signal booster. Sometimes these can be called an "WiFi access point" or "WiFi bridge" device. This is a device that you can plug in to the wall somewhere and configure it to pick up your WiFi signal from your AT&T WiFi router and relay it. If your WiFi devices are relatively new, I'd recommend using a signal booster that works on the 5GHz bandwidth and has the ability to automatically control the signal strength. If you live in a densely populated area, your neighbors may or may not have this technology, or may have their routers configured to broadcast at full signal strength. This is very annoying because the more devices on the network, the fewer WiFi channels there are, and the more these signals "stomp" on each other. Its basically the equivalent of all your neighbors playing their stereos on full blast with different music each. Your WiFi router needs to sort through all that noise to figure out what song to listen to, greatly reducing its speed and performance, since its got to go back to your device and say "WHAT DID YOU SAY AGAIN?!" a 5GHz WiFi device that automatically adjusts signal strength is designed to be a "nice neighbor" and it has more channels it can listen to music on... basically.
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