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A cable modem itself cannot be wireless because it uses a digital cable signal; however, it can be connected to the wireless router. The router is a special box that sends wireless signals out to users inside of a building, allowing them to connect to and use the Internet via their wireless card.


You can connect a laptop to a cable modem using an Ethernet or USB cable, depending on the type of ports the laptop and modem have. Alternatively, connect to the modem wirelessly by using a router.


Poor-quality cable signals and temporary service interruptions are two major reasons that cable modems disconnect. It may be necessary for a qualified technician from the cable company to address modem disconnection problems.


A modem is a device that is capable of encoding digital information by varying one or more properties of the carrier signal, sending this signal through a telephone line, and decoding the information once it has been transmitted by demodulating the signal. The modem on one side of the communication


You can connect a cable modem to any major brand router with what is called a category 5 cable. This cable carries the connection stream from the modem to a router, which then distributes the signal allowing you to connect multiple devices to the Internet.


The difference between a DSL and a cable modem is that a DSL modem connects a computer to a phone line to transmit data, while a cable modem transmits data over existing TV lines. The further the DSL modem is from the ISP, the slower the connection; for cable modems, however, distance doesn't affect


Modems use frequency shift keying to send digital information over a telephone line. The sending modem modulates the digital data into a signal that can be deciphered by the phone line, while the receiving modem demodulates the signal and turns it into digital data.


As of 2015, Time Warner Cable does not sell Internet modems. It advises customers to buy a new modem online from websites, such as Tigerdirect.com and Amazon.com, or at local stores such as Wal-Mart, Target and Best Buy.


Some common modem problems are the modem not dialing, the modem not being recognizable by the computer, the modem disconnecting frequently and an extremely slow connection. Other common problems include issues with dialing a particular number and modem installation problems.


Comcast offers a variety of modems from Arris, Netgear, Motorola, Cisco and SMCNetworks. Which modem Comcast provides to a given customer depends mostly on availability and the speed of the customer's service. Comcast has also approved a number of compatible modems that are for retail only.