A cable connection and a T3 line are two methods for connecting to the Internet. While each line performs the same basic function, each is suitable for a specific situation based on speed requirements.
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A cable Internet connection uses a coaxial cable to send and receive data, usually through a cable modem. It generally transfers data at 1 megabit per second (Mbps), although advanced systems are capable of 50 Mbps. Cable connections most often are used for residential Internet or a business that needs simple access. As of 2010, it cost between £19 to £91, depending on your location and service. A router often is used in combination to allow multiple users access.
A T3 connection is a high-speed telephone line that specialises in broadband Internet access. It transfers data at 44.6 Mbps, which is 30 times faster than a normal T1 line and 800 times faster than dial-up. It is used primarily by businesses that need heavy duty bandwidth for data transfer by hundreds of users or website hosting. It costs up to £1,300 per month in 2010.
Which is Better?
Most users do not need the heavy duty transfer rate of a T3 and cannot afford the cost associated with it. In those situations, a cable connection is suitable. If you represent a business or an organisation that relies heavily on the Internet, a T3 connection may be worthwhile. Talk with your local provider about whether this option is appropriate for you.
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