ARRIS SURFboard DOCSIS 3.1 Gigabit Cable Modem, Approved for Cox, Xfinity, Spectrum & others

Introducing the first DOCSIS 3.1 cable modem in the SURFboard lineup. The SURFboard SB8200 is a DOCSIS 3.1 modem — the newest technology being offered by cable providers. It is perfect for things like 4K Ultra-HD video streaming and Virtual Reality gaming. Plus, it has two Gigabit Ethernet ports! Today’s connected home demands speeds far more powerful than ever. Power your home network with the SB8200 and get the fastest speeds and most reliable connection to the Internet. Own yours today and stop paying rental fees.

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ARRIS SURFboard DOCSIS 3.1 Gigabit Cable Modem, Approved for Cox, Xfinity, Spectrum & others
SURFboard DOCSIS 3.1 32×8 Cable Modem:Capable of the fastest download speeds available from cable providersDOCSIS 3.1 cable modem — the newest technology being offered by cable providers32-download x 8-upload channelsPerfect for 4K Ultra HD video streaming and virtual reality gamingIdeal for Gigabit+ speed packages offered by cable providers2 x Gigabit Ethernet portsSupports IPv4 and IPv6 internet browsing standards

1 (one, unit, unity) is a number, numeral, and glyph. It is the first and smallest positive integer of the infinite sequence of natural numbers. This fundamental property has led to its unique uses in other fields, ranging from science to sports, where it commonly denotes the first, leading, or top thing in a group. 1 is the unit of counting or measurement, a determiner for singular nouns, and a gender-neutral pronoun. Historically, the representation of 1 evolved from ancient Sumerian and Babylonian symbols to the modern Arabic numeral.

In mathematics, 1 is the multiplicative identity, meaning that any number multiplied by 1 equals the same number. 1 is by convention not considered a prime number. In digital technology, 1 represents the "on" state in binary code, the foundation of computing. Philosophically, 1 symbolizes the ultimate reality or source of existence in various traditions.

3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number. It has religious and cultural significance in many societies.

Approved may refer to:

  • Approved drug, a preparation that has been validated for a therapeutic use by a ruling authority of a government
  • Approved, a 2013 album by Chester Thompson Trio
  • Approved (Ubiquitous Synergy Seeker album)

Cox or COX may refer to:

  • Cox (surname), including people with the name

Data Over Cable Service Interface Specification (DOCSIS) is an international telecommunications standard that permits the addition of high-bandwidth data transfer to an existing cable television (CATV) system. It is used by many cable television operators to provide cable Internet access over their existing hybrid fiber-coaxial (HFC) infrastructure.

DOCSIS was originally developed by CableLabs and contributing companies, including Arris, BigBand Networks, Broadcom, Cisco, Comcast, Conexant, Correlant, Cox, General Instrument, Harmonic, Intel, Motorola, Netgear, Terayon, Time Warner Cable, and Texas Instruments.

A modulator-demodulator, commonly referred to as a modem, is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio. 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. The goal is to produce a signal that can be transmitted easily and decoded reliably. Modems can be used with almost any means of transmitting analog signals, from LEDs to radio.

Early modems were devices that used audible sounds suitable for transmission over traditional telephone systems and leased lines. These generally operated at 110 or 300 bits per second (bit/s), and the connection between devices was normally manual, using an attached telephone handset. By the 1970s, higher speeds of 1,200 and 2,400 bit/s for asynchronous dial connections, 4,800 bit/s for synchronous leased line connections and 35 kbit/s for synchronous conditioned leased lines were available. By the 1980s, less expensive 1,200 and 2,400 bit/s dialup modems were being released, and modems working on radio and other systems were available. As device sophistication grew rapidly in the late 1990s, telephone-based modems quickly exhausted the available bandwidth, reaching 56 kbit/s.

The rise of public use of the internet during the late 1990s led to demands for much higher performance, leading to the move away from audio-based systems to entirely new encodings on cable television lines and short-range signals in subcarriers on telephone lines. The move to cellular telephones, especially in the late 1990s and the emergence of smartphones in the 2000s led to the development of ever-faster radio-based systems. Today, modems are ubiquitous and largely invisible, included in almost every mobile computing device in one form or another, and generally capable of speeds on the order of tens or hundreds of megabytes per second.

A spectrum (pl.: spectra or spectrums) is a condition that is not limited to a specific set of values but can vary, without gaps, across a continuum. The word spectrum was first used scientifically in optics to describe the rainbow of colors in visible light after passing through a prism. As scientific understanding of light advanced, it came to apply to the entire electromagnetic spectrum. It thereby became a mapping of a range of magnitudes (wavelengths) to a range of qualities, which are the perceived "colors of the rainbow" and other properties which correspond to wavelengths that lie outside of the visible light spectrum.

Spectrum has since been applied by analogy to topics outside optics. Thus, one might talk about the "spectrum of political opinion", or the "spectrum of activity" of a drug, or the "autism spectrum". In these uses, values within a spectrum may not be associated with precisely quantifiable numbers or definitions. Such uses imply a broad range of conditions or behaviors grouped together and studied under a single title for ease of discussion. Nonscientific uses of the term spectrum are sometimes misleading. For instance, a single left–right spectrum of political opinion does not capture the full range of people's political beliefs. Political scientists use a variety of biaxial and multiaxial systems to more accurately characterize political opinion.

In most modern usages of spectrum there is a unifying theme between the extremes at either end. This was not always true in older usage.

Comcast Cable Communications, LLC, doing business as Xfinity, is an American telecommunications business segment and division of the Comcast Corporation. It is used to market consumer cable television, internet, telephone, and wireless services provided by the company. The brand was first introduced in 2010; prior to that, these services were marketed primarily under the Comcast name.

As of 2023 its CEO is Dave Watson, its chairman is Brian L. Roberts, and its CFO is Catherine Avgiris. Xfinity went from US$23.7 billion in revenue in 2007 to $50.04 billion in 2016.

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