20 Best 16×4 Cable Modem [2024]

Are you looking for the best 16x4 cable modem? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 16x4 cable modem.

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1 MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter... MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY,...
2 MOTOROLA MG7540 16x4 Cable Modem Plus AC1600 Dual Band Wi-Fi Gigabit Router with DFS, 686 Mbps... MOTOROLA MG7540 16x4 Cable Modem Plus AC1600 Dual Band Wi-Fi Gigabit Router with DFS, 686 Mbps...
3 NETGEAR CM500-100NAR DOCSIS 3.0 Cable Modem with 16x4 Max Download speeds of 680Mbps. Certified for... NETGEAR CM500-100NAR DOCSIS 3.0 Cable Modem with 16x4 Max Download speeds of 680Mbps. Certified...
4 NETGEAR Cable Modem CM500 - Compatible with All Cable Providers Including Xfinity by Comcast,... NETGEAR Cable Modem CM500 - Compatible with All Cable Providers Including Xfinity by Comcast,...
5 arris surfboard ac1600 dual band router with 16x4 docsis 3.0 cable modem black (Renewed) arris surfboard ac1600 dual band router with 16x4 docsis 3.0 cable modem black (Renewed)
6 ARRIS SURFboard SBG6900AC Docsis 3.0 16x4 Cable Modem/ Wi-Fi AC1900 Router - Retail Packaging -... ARRIS SURFboard SBG6900AC Docsis 3.0 16x4 Cable Modem/ Wi-Fi AC1900 Router - Retail Packaging -...
7 Arris SURFboard (16x4) Docsis 3.0 Cable Modem Plus AC1900 Dual Band Wi-Fi Router, Certified for... Arris SURFboard (16x4) Docsis 3.0 Cable Modem Plus AC1900 Dual Band Wi-Fi Router, Certified for...
8 Netgear C6250-100NAS AC1600 (16x4) WiFi Cable Modem Router Combo (C6250) DOCSIS 3.0 Certified for... Netgear C6250-100NAS AC1600 (16x4) WiFi Cable Modem Router Combo (C6250) DOCSIS 3.0 Certified for...
9 TP-Link 16x4 AC1750 Wi-Fi Cable Modem Router | Gateway | 680Mbps DOCSIS 3.0 - Certified for Comcast... TP-Link 16x4 AC1750 Wi-Fi Cable Modem Router | Gateway | 680Mbps DOCSIS 3.0 - Certified for...
10 ARRIS SURFboard mAX Pro (16x4) DOCSIS 3.0 Cable Modem, approved for Cox, Spectrum, Xfinity & more ARRIS SURFboard mAX Pro (16x4) DOCSIS 3.0 Cable Modem, approved for Cox, Spectrum, Xfinity & more
11 Arris Touchstone 16x4 SB6183 DOCSIS 3.0 Cable Modem - Black (Renewed) Arris Touchstone 16x4 SB6183 DOCSIS 3.0 Cable Modem - Black (Renewed)
12 ARRIS SURFboard (16x4) DOCSIS 3.0 Cable Modem Plus AC1900 Dual Band Wi-Fi Router, 686 Mbps Max... ARRIS SURFboard (16x4) DOCSIS 3.0 Cable Modem Plus AC1900 Dual Band Wi-Fi Router, 686 Mbps Max...
13 NETGEAR Cable Modem Wi-Fi Router Combo C6250 - Compatible with All Cable Providers Including Xfinity... NETGEAR Cable Modem Wi-Fi Router Combo C6250 - Compatible with All Cable Providers Including...
14 NETGEAR C6300-100NAR DOCSIS 3.0 WiFi Cable Modem Router with AC1750 16x4 Download speeds. Certified... NETGEAR C6300-100NAR DOCSIS 3.0 WiFi Cable Modem Router with AC1750 16x4 Download speeds....
15 Motorola MG7550 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox, Charter... Motorola MG7550 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox,...
16 ARRlS Surfboard SBG6900AC Docsis 3.0 16x4 Cable Modem/Wi-Fi AC1900 Router (RENEWED) ARRlS Surfboard SBG6900AC Docsis 3.0 16x4 Cable Modem/Wi-Fi AC1900 Router (RENEWED)
17 Motorola MG7540 (16x4) Cable Modem plus AC1600- Dual Band Wi-Fi Gigabit Router - DOCSIS 3.0 -... Motorola MG7540 (16x4) Cable Modem plus AC1600- Dual Band Wi-Fi Gigabit Router - DOCSIS 3.0 -...
18 Asus CM-16 Docsis 3.0 Cablelabs-Certified 16x4 686 Mbps Cable Modem Certified by Comcast Xfinity,... Asus CM-16 Docsis 3.0 Cablelabs-Certified 16x4 686 Mbps Cable Modem Certified by Comcast Xfinity,...
19 Linksys DOCSIS 3.0 16x4 Cable Modem (CM3016) (Renewed) Linksys DOCSIS 3.0 16x4 Cable Modem (CM3016) (Renewed)
20 ARRlS Touchstone TM1602A Cable Modem 16x4 Telephony Modem Docsis 3.0 ARRlS Touchstone TM1602A Cable Modem 16x4 Telephony Modem Docsis 3.0
Bestseller No. 1
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter...
  • This 16x4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a...
  • Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This Model MB7420 cable modem does NOT have a built-in...
  • Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe...
  • Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if...
Bestseller No. 2
MOTOROLA MG7540 16x4 Cable Modem Plus AC1600 Dual Band Wi-Fi Gigabit Router with DFS, 686 Mbps...
  • 16x4 DOCSIS 3.0 cable modem plus a built-in AC1600 Dual Band (2.4 GHz and 5 GHz) WiFi Gigabit Router with four Gigabit (GigE) Ethernet ports, a...
  • Requires cable Internet service. Approved by Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, BrightHouse, WOW., CableOne, RCN, Mediacom and...
  • Built-in high-speed Wi-Fi router with AC1600 Wi-Fi provides Internet access for Wi-Fi devices including smartphones, notebooks, tablets, game...
  • The router can work on WiFi DFS frequencies, unlike most routers, so it is much less vulnerable to WiFi interference from neighbors. AnyBeam...
  • Integrating the cable modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk...
SaleBestseller No. 3
NETGEAR CM500-100NAR DOCSIS 3.0 Cable Modem with 16x4 Max Download speeds of 680Mbps. Certified for...
  • Netgear Certified Refurbished product is manufacturer refurbished to work and look as new with 90 Day Warranty and email support. All accessories are...
  • Eliminate monthly cable modem rental fee's ($120 or more a year).
  • DOCSIS 3.0 Cable Modem with 1 Gigabit Ethernet port.
  • Up to 680Mbps download and upload speed. Separate router required for WiFi. 16x4 channel bonding
  • Netgear Refurbished product may have a removed serial number. You will need to state the product is refurbished (state the full part number) if...
SaleBestseller No. 4
NETGEAR Cable Modem CM500 - Compatible with All Cable Providers Including Xfinity by Comcast,...
  • Save monthly rental fees: Model CM500 replaces your cable modem, saving you up to $168/yr in equipment rental fees.
  • Speeds by carrier: Spectrum (up to 400Mbps), Xfinity (up to 200Mbps), Cox (up to 150Mbps).
  • Works with any wifi router: Connect any WiFi router to this modem's Ethernet port to support all your wireless devices.
  • Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate WiFi router.
  • Modem technology: Engineered with 16x4 channel bonding and DOCSIS 3.0.
Bestseller No. 5
arris surfboard ac1600 dual band router with 16x4 docsis 3.0 cable modem black (Renewed)
  • The Arris SBG10 is a 16x4 Cable Modem, AC1600 Dual band Wi-Fi Router, 2 Port Gigabit Router
  • APPROVED on Comcast Xfinity, Spectrum (Charter, Time Warner, Bright house Networks), Cox and other US Cable Internet Providers
  • 16x4 Channel Bonding to maximize your Cable ISP service offerings. APPROVED for plans up to 300 Mbps. Supports IPv4 and IPv6 – the latest Internet...
  • AC1600 2.4/5.0 GHz Dual-band Concurrent Wi-Fi Router with 2 Gigabit Ethernet ports. Wi-Fi beamforming – max coverage and performance
  • NOT compatible with Verizon, AT&T or CenturyLink
Bestseller No. 6
ARRIS SURFboard SBG6900AC Docsis 3.0 16x4 Cable Modem/ Wi-Fi AC1900 Router - Retail Packaging -...
  • 3 products in 1: 16x4 Cable Modem, AC1900 WiFi Router and Gigabit 4 port Wired Router
  • Ceritified on Comcast Xfinity, Cox, Spectrum (Charter, Time Warner, Brighthouse Networks), Mediacom and many other US Cable Internet Providers....
  • Cable Modem is 16 Download and 4 Upload Bonded Channels with Internet Download speeds up 686 Mbps based on your Internet Service Plan. Approved for...
  • Compatible with major U.S. Cable Providers and supports IPv4 and IPv6-the latest Internet standard. Wi-Fi beamforming – max coverage and performance
  • 2 year warranty with US based customer service. Refer to the Quick Start Guide and Installation video.Router is AC1900 dual band WiFi with 4 Gigabit...
SaleBestseller No. 7
Arris SURFboard (16x4) Docsis 3.0 Cable Modem Plus AC1900 Dual Band Wi-Fi Router, Certified for...
  • 3 products in 1: DOCSIS 3.0 Cable Modem, AC1900 dual-band Wi-Fi Router, 4 Port Gigabit Ethernet Router (cable digital voice service not supported)
  • Compatible with major U.S. Cable Internet Providers including Cox, Spectrum, Xfinity & others. Cable internet service required. Not compatible with...
  • 16 downstream & 4 upstream DOCSIS 3.0 bonded channels. Best for cable internet speed plans up to 400 Mbps.
  • Wi-Fi 5 AC1900 dual-band concurrent Wi-Fi Router with 4 Gigabit Ethernet ports
  • Setup and manage your network with the SURFboard Manager app
SaleBestseller No. 8
Netgear C6250-100NAS AC1600 (16x4) WiFi Cable Modem Router Combo (C6250) DOCSIS 3.0 Certified for...
  • Compatible with Xfinity from Comcast, Spectrum, Cox, CableONE & more
  • Three-in-one DOCSIS 3.0 Cable Modem + AC1600 WiFi Router+ 2 Gigabit Wired Switch
  • Up to 680Mbps modem speed and Dual-Band AC1600 (2.4GHz & 5GHz) WiFi speed. 16x4 channel bonding/ Approved for plans up to 300 Mbps
  • DOCSIS 3.0 unleashes 16x faster download speeds than DOCSIS 2.0
  • NETGEASR Genie App +Content filtering Parental Controls allow you to easily manage your network from your Mobile device.Microsoft Internet Explorer...
SaleBestseller No. 9
TP-Link 16x4 AC1750 Wi-Fi Cable Modem Router | Gateway | 680Mbps DOCSIS 3.0 - Certified for Comcast...
  • Eliminate rental fee: eliminate your cable Modem monthly rental fee - up to $120 per year
  • Cable Modem router: item is cable Modem router and this will serve as both your cable Modem and Wi-Fi router
  • Industry leading support: 2-year warranty and free 24/7 technical support; J. D. Power Ranked TP-LINK "highest in customer satisfaction for wireless...
  • Faster speed: up to 1750Mbps Wi-Fi speeds with simultaneous 2. 4GHz (up to 450Mbps) and 5GHz (up to 1300Mbps) bands; Channel bonding of up to 16...
  • Increased Wi-Fi range: six internal antennas and high-powered amplifiers Boost signal strength and reduce interference
SaleBestseller No. 10
ARRIS SURFboard mAX Pro (16x4) DOCSIS 3.0 Cable Modem, approved for Cox, Spectrum, Xfinity & more
  • Tom's guide #1 cable Modem choice 2 years in a row. Compatible with major U.S. Cable Internet Providers including Cox, Spectrum, Xfinity & others. Not...
  • DOCSIS 3.0 Cable Modem best for cable internet speed plans up to 400 Mbps
  • 16 downstream x 4 upstream DOCSIS 3.0 bonded channels
  • 1 Gigabit Ethernet port for connecting to a Wi-Fi router or other device.
  • Cable internet service required. Does NOT include Wi-Fi or support cable telephone feature..
Bestseller No. 11
Arris Touchstone 16x4 SB6183 DOCSIS 3.0 Cable Modem - Black (Renewed)
  • Package Dimensions, 6.0 L x 21.7 H x 17.1 W (centimeters)
SaleBestseller No. 12
ARRIS SURFboard (16x4) DOCSIS 3.0 Cable Modem Plus AC1900 Dual Band Wi-Fi Router, 686 Mbps Max...
  • 3 products in 1: 16x4 Cable Modem, AC1900 Dual band Wi-Fi Router, 4 Port Gigabit Router. Operating System Compatibility-Linux, Mac, Unix, Windows
  • APPROVED with major U.S. Cable Providers Xfinity and Cox. Compatible with Spectrum (Time Warner, Charter and Brighthouse). REQUIRES Cable Internet...
  • Cable Modem: 16 DOWNLOAD & 4 UPLOAD channels to maximize your Cable ISP service offerings. APPROVED for plans up to 300 Mbps. Supports IPv4 and IPv6 ?...
  • Router: AC1900 2.4/5.0 GHz Dual-band Concurrent Wi-Fi Router with 4 Gigabit Ethernet ports. Wi-Fi beamforming ? max coverage and performance.
  • Security: McAfee Secure Whole Home Internet with App to monitor and configure. Support for multicast ip services also is backward compatible with...
SaleBestseller No. 13
NETGEAR Cable Modem Wi-Fi Router Combo C6250 - Compatible with All Cable Providers Including Xfinity...
  • COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon,...
  • SAVE MONTHLY RENTAL FEES: Model C6250 replaces your cable modem and WiFi router saving you up to $168/yr in equipment rental fees.
  • SPEEDS BY CARRIER: Spectrum (up to 300Mbps), Xfinity (up to 300Mbps), Cox (up to 250Mbps).
  • FAST WiFi PERFORMANCE: Get up to 1500 sq ft wireless coverage and 25 devices connected with AC1600 speed (up to 1600 Mbps).
  • VERSATILE CONNECTIONS: 2 Gigabit Ethernet ports and 1 USB port give you fast wired connections to your computer, printer, game box, storage drive, and...
SaleBestseller No. 14
NETGEAR C6300-100NAR DOCSIS 3.0 WiFi Cable Modem Router with AC1750 16x4 Download speeds. Certified...
  • Netgear Certified Refurbished product is manufacturer refurbished to work and look as new with 90 Day Warranty and email support. All accessories are...
  • Two-in-One DOCSIS 3.0 Cable Modem + WiFi Router delivers 16x4 AC1750 WiFi and up to 680Mbps modem speed. Advised to call ISP to get their MAC ID set...
  • Certified to work with fast internet speed tiers of Cable Internet Providers like XFINITY from Comcast, Time Warner Cable, Cox, Cablevision, Bright...
  • Required for fastest Internet speed tiers offered by XFINITY from Comcast, Time Warner MAXX and Cox Premier & Ultimate
  • Netgear Refurbished product may have a removed serial number. You will need to state the product is refurbished (state the full part number) if...
Bestseller No. 15
Motorola MG7550 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox, Charter...
  • 16x4 DOCSIS 3.0 cable modem plus a built-in AC1900 Dual Band (2.4 GHz and 5 GHz) WiFi Gigabit Router with four Gigabit (GigE) Ethernet ports, a...
  • Requires cable Internet service. Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, Suddenlink,...
  • Built-in high-speed Wi-Fi router with AC1900 Wi-Fi, and Power Boost, and DFS provides Internet access for Wi-Fi devices including smartphones,...
  • Wireless Power Boost adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed...
  • Integrating the cable modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk...
Bestseller No. 16
ARRlS Surfboard SBG6900AC Docsis 3.0 16x4 Cable Modem/Wi-Fi AC1900 Router (RENEWED)
  • Cable Modem is 16 Download and 4 Upload Bonded Channels with Internet Download speeds up 686 Mbps based on your Internet Service Plan. Approved for...
  • Number of ports, 4.0
  • Connectivity technology, WLAN
  • Package Weight, 1.411 kilograms
Bestseller No. 17
Motorola MG7540 (16x4) Cable Modem plus AC1600- Dual Band Wi-Fi Gigabit Router - DOCSIS 3.0 -...
  • This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic...
  • 16x4 DOCSIS 3.0 cable modem plus a built-in AC1600 Dual Band (2.4 GHz and 5 GHz) Wi-Fi Gigabit Router with four Gigabit (GigE) Ethernet ports, a...
  • Requires cable Internet service. Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, BrightHouse,...
  • Built-in high-speed WiFi router with AC1600 Wi-Fi provides Internet access for WiFi devices including smartphones, notebooks, tablets, game stations,...
  • AnyBeam beamforming at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range.
SaleBestseller No. 18
Asus CM-16 Docsis 3.0 Cablelabs-Certified 16x4 686 Mbps Cable Modem Certified by Comcast Xfinity,...
  • DOCSIS 3.0 16x4 cable modem certified by Comcast Xfinity, Spectrum (legacy Time Warner Cable and Charter) and Cox
  • Save up to $120 per year on rental fees by owning your own cable modem
  • Supports downstream of up to 686Mbps and upstream of up to 131Mbps
  • Pairs perfectly with ASUS signature routers such as RT-AC68U and RT-AC66U (router not included, separate purchase required for WiFi connectivity)
  • Five front-facing LED indicators easily reveal the status and signal strength of the cable modem
Bestseller No. 19
Linksys DOCSIS 3.0 16x4 Cable Modem (CM3016) (Renewed)
  • This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day...
  • High Speed Cable Modem only, does not include telephone/voice ports
  • Experience high-speed Wi-Fi speeds from your existing ISP plans up to 250 Mbps. Ideal for HD media streaming, simultaneous online gaming, web surfing...
  • Features Intel Puma 6 chipset to achieve high-speed downstream and upstream performance
  • Able to handle high-bandwidth transfer rates over your existing cable lines
Bestseller No. 20
ARRlS Touchstone TM1602A Cable Modem 16x4 Telephony Modem Docsis 3.0
  • Compatible with Optimum / CableVision Internet & Telephone
  • 24x8 bonded channel cable environment & 16x4 Embedded Multimedia Terminal Adaptor (E-MTA)
  • 2 Telephone Line Ports for VoIP Service
  • For Internet Data Services as High as 960Mbps.
  • Disconnect Optimum's rented modem, plug in my own new modem, call optimum, wait a few minutes for them to activate your new modem, DONE

Having trouble finding a great 16x4 cable modem?

This problem is well understood by us because we have gone through the entire 16x4 cable modem research process ourselves, which is why we have put together a comprehensive list of the best 16x4 cable modems available in the market today.

After hours of searching and using all the models on the market, we have found the best 16x4 cable modem for 2023. See our ranking below!

How Do You Buy The Best 16x4 Cable Modem?

Do you get stressed out thinking about shopping for a great 16x4 cable modem? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 16x4 cable modem, which is why we have assembled a comprehensive list of the greatest 16x4 cable modem available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 16x4 cable modem that you consider buying. Your questions might include the following:

  • Is it worth buying an 16x4 cable modem?
  • What benefits are there with buying an 16x4 cable modem?
  • What factors deserve consideration when shopping for an effective 16x4 cable modem?
  • Why is it crucial to invest in any 16x4 cable modem, much less the best one?
  • Which 16x4 cable modem are good in the current market?
  • Where can you find information like this about 16x4 cable modem?

We’re convinced that you likely have far more questions than just these regarding 16x4 cable modem, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 16x4 cable modem, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 16x4 cable modem. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 16x4 cable modem buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 16x4 cable modem currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 16x4 cable modem has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 16x4 cable modem?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 16x4 cable modem.
  5. Customer Ratings: Number ratings grade 16x4 cable modem objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 16x4 cable modem.
  7. Product Quality: You don’t always get what you pay for with an 16x4 cable modem, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 16x4 cable modem is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 16x4 cable modem information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 16x4 cable modem is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What does 16×4 cable modem mean?

A: 16×4 Cable Modem. This cable modem is suitable for use with the new 250 Mbps and 300 Mbps services available from Comcast, Time Warner and other service providers. The MB7420 provides high-speed Internet for a computer, router, HDTV, game station, or streaming media device.

Q: What is the best modem for Internet?

A: For most people, the best cable modem is the Motorola MB7420. It works with a wide variety of internet providers, including Comcast, Spectrum and Cox, and it delivers speeds that will serve the greatest number of people (anyone whose internet plan tops out at 300 Mbps).

Q: What is Comcast cable modem?

A: The Comcast modem connects to your computer or network via an Ethernet cable. Related Articles. Comcast’s high-speed Internet service is provided to your business through a coaxial cable that carries television and Internet signals. The Comcast modem separates these signals to offer a pure Internet connection to your business computer or network.

Q: What is a cable modem box?

A: A cable modem has two connections: one to the cable wall outlet and the other to a PC or to a set-top box for a TV set. Although a cable modem does modulation between analog and digital signals, it is a much more complex device than a telephone modem. It can be an external device or it can be integrated within a computer or set-top box.