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If you rent your cable modem, you likely have a DOCSIS 3.0 or 3.1 device. When buying your own, this is something to pay attention to.ĭOCSIS Technology & Your Internet Service Provider Your cable modem is at the center of all your online actions, so making sure it has the support your Internet plan needs is crucial.
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However, the most widespread DOCSIS standard is DOCSIS 3.0, which is capable of 32 download channels at one time and over 1GB download speeds. The latest DOCSIS standard, DOCSIS 3.1 is capable of 10 gigabits per second (Gbps) download speeds and 1 Gbps upload speeds.
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The more channels the faster the speed.ĭOCSIS is the interface standard technology that determines how a modem receives Internet signals from your cable ISP (such as from providers like Spectrum or Xfinity) and translates them into the Internet service you use in your home to surf the web, stream TV shows, online gaming, and more. Whereas a cable modem with 8×4 channels only gets speeds up to 100 Mbps. For example, a cable modem with 32×8 channels means that it has 32 download channels and 8 upload channels, and a maximum Internet speed of 1 GB. Channel bonding numbers determine how many download and upload channels your cable modem has.Ĭhanneling bonding refers to how many channels a modem can combine to send more information to your ISP and back. The most important specs to pay attention to with cable modems are DOCSIS standards and channel bonding. All modems have a DOCSIS standard, which determines how fast your Internet will be. Simply put, a cable modem connects you to the Internet. The biggest difference between DOCSIS 3.0 and 3.1 is that DOCSIS 3.1 technology can support download speeds 10 times faster than DOCSIS 3.0, up to 10Gbps. Understanding the DOCSIS standard is an important feature to know because it influences which modem you should get for a cable Internet connection. It’s a cable technology standard from CableLabs research and development consortium within the cable television Industry that provides standards for certification and interoperability standards. If you have cable Internet, which is broadband from your Internet service provider (ISP) that uses coaxial cables to deliver bandwidth, then you have a DOCSIS cable modem.ĭOCSIS stands for Data Over Cable Service Interface Specification.
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