A modem transmits data by modulating one or more carrier wave signals to encode digital information, while the receiver demodulates the signal to recreate the original digital information.

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Jul 23, 2025 · The modem is defined as a networking device that is used to connect devices connected in the network to the internet. The main function of a modem is to convert the analog signals that …

Sep 12, 2025 · A modem is a device that sits between your home network and your internet provider. You can’t access the internet without one because your devices and your provider’s network use …

ARRIS (SB6183-RB) Cable Modem - Fast DOCSIS 3.0 16x4 Gigabit Cable Modem, For Comcast Xfinity, Cox, Spectrum and more, 1 Gbps Port, 400 Mbps Max Internet Speed, 1 Year Warranty - …

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Learn what a modem is, how it works, and which type you need based on your Internet provider. Includes helpful guidance on modem placement, speeds, and technologies.

You can buy and use your own modem or gateway instead of renting one from Xfinity. Keep in mind that the Xfinity Wireless Gateway offers great coverage, fast speeds and a home WiFi hotspot. How to …

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