Top 30 Serial Modems on Amazon (Verified You can Buy)
Top 1
Best for Adapter
Advantech BB-9PMDS, Serial Modem Data Splitter - 9-pin
ADVANTECH
BB-9PMDS
1.8898 x 5.5118 x 5.9842 inches
0.3307 Pounds
Ratings for ADVANTECH (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Advantech Corporation | - | ❌ | ❌ | ❌ |
Features
Computers & terminals use one modem without switching
Connect two PCs to one peripheral
Top 2
Best for Motorola
Best for ARRIS
Best for Wireless
Best for Adapter
Best for Verizon
Best for Broadband
Best for Gigabit
Best for Surfboard
Motorola SURFboard SB6121 Cable Modem (SB6121)
ARRIS
SB6121
2.0 x 6.4 x 8.7 inches
1.52 pounds
- Unknown: English
Ratings for ARRIS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| AMAZINGG-PRIME | - | ✅ | ✅ | ✅ |
| KvXpress | - | ✅ | ✅ | ✅ |
| DiscoverSas | - | ✅ | ✅ | ✅ |
| Newfront USA | - | ✅ | ✅ | ✅ |
| Hashtagperfect | - | ✅ | ✅ | ✅ |
| Tcbsgbfindsntreasures | - | ✅ | ✅ | ✅ |
| ZenMedia34 | - | ❌ | ❌ | ❌ |
| Mister B Enterprises | - | ❌ | ❌ | ❌ |
| Bella Notte Electronics (We Record S/N) | - | ❌ | ❌ | ❌ |
| NetBetShop | 6,874 | ❌ | ❌ | ❌ |
| MODealSwap | - | ❌ | ❌ | ❌ |
| Bird's Book Supply | - | ❌ | ❌ | ❌ |
| BlueMesaSupply | - | ❌ | ❌ | ❌ |
Features
Compatible with Time Warner Cable, Charter, Cox, Cablevision, and more
Not compatible with Verizon FiOS or AT&T U-verse, no longer approved by Comcast Xfinity
Top 3
Best Computer Networking Modems
Best for ARRIS
Best for Wireless
Best for Cable
Best for Amazon Alexa
Best for Vera
Best for DSL
Best for Router
Best for Comcast
Best for Spectrum
Best for Broadband
Best for Gigabit
Best for Surfboard
ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty,White
ARRIS
SB8200
1.75 x 5.13 x 5.25 inches
1.46 pounds
Ratings for ARRIS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| ShengHai Shopsasas | - | ✅ | ✅ | ✅ |
| Verdi! | 6,204 | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
| QDesigner | - | ❌ | ❌ | ❌ |
| Columbiatradestock (S/N Info Recorded) | - | ❌ | ❌ | ❌ |
| Tempest Keep Ventures | - | ❌ | ❌ | ❌ |
| Zurjy | - | ❌ | ❌ | ❌ |
| ARF Tech | 5,757 | ❌ | ❌ | ❌ |
Features
A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is designed to bring you superior connectivity, increase your network capability and provide faster streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing. .Telephone Port : None. HD Multi-Media Streaming : Yes.
Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
A.Dinsenen Integrative USB Hart Modem USB to Hart Protocol Modem Hart Transmitter HART Convertor（Suitable for All Devices Which Support Hart Protocol）
A.Dinsenen
2.76 x 2.05 x 0.91 Inches
0.45 pounds
Ratings for A.Dinsenen (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| A.Dinsenen | - | ❌ | ❌ | ❌ |
Features
The HART smart converter, which is developed and manufactured according to industry standards, can communicate with any manufacturer's HART meter, such as Rosemont, EH, Siemens, Cologne, Yokogawa, Chuanyi, etc. At the same time, its shape is designed to be integrated and easy to install and carry. The standard USB interface and serial bus are used to supply power, which makes the user convenient and fast in use.
Intelligent converter is specially designed for industrial product integration. It adopts special design in temperature range, vibration, electromagnetic compatibility and interface diversity. Provide high quality assurance for your equipment.
NETGEAR Nighthawk Multi-Gig Speed Cable Modem DOCSIS 3.1 (CM1100), Black, Small
NETGEAR
9P-TML7-3I4V
5.9 x 3.4 x 8.8 inches
1.0141 pounds
Ratings for NETGEAR (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Grey Dealz | - | ✅ | ✅ | ✅ |
| kino rv | - | ✅ | ✅ | ✅ |
| Blessed Service | - | ✅ | ✅ | ✅ |
| Elis Surplus Inc | - | ✅ | ✅ | ✅ |
| Overstockz | - | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
| Rally Bargains Inc | - | ❌ | ❌ | ❌ |
| OGS Store (SERIAL NO RECORDED) | - | ❌ | ❌ | ❌ |
| NDR Solutions (Serial # Recorded) | - | ❌ | ❌ | ❌ |
| Green Cells | - | ❌ | ❌ | ❌ |
Features
Delivers true Multi-Gig Internet speeds with link aggregation support
Built-in high-speed DOCSIS 3.1 channel bonding cable modem
Top 6
OSTENT GSM GPRS Modem with Wavecom Q2426B Module 850/1900MHZ COM/RS232/Serial Port AT Commands SMS MMS Voice Call US Plug Power Adapter
OSTENT
LYSB00BD1NPCU-ELECTRNCS
5.7 x 4.5 x 1.9 inches
Ratings for OSTENT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| ostent | - | ❌ | ❌ | ❌ |
Features
Industrial-Grade GPRS Modem
Based on Wavecom Q2426B Module
Top 7
OSTENT GSM/GPRS/Edge/WCDMA/UMTS/HSDPA/HSPA+/FDD-LTE 4G Modem with SIMCOM SIM7600E Module COM/RS232/Serial Port at Commands Bulk SMS MMS TCP/IP
OSTENT
Ratings for OSTENT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| ostent | - | ✅ | ✅ | ✅ |
Features
Industrial-grade modem
Module: SIMCOM SIM7600E
NETGEAR Nighthawk Multi-Gig Cable Modem (CM2000) - Compatible With All Cable Providers Incl. Xfinity, Spectrum, Cox - For Cable Plans up to 2.5Gbps - DOCSIS 3.1
NETGEAR
CM2000
9.9 x 8.8 x 4.7 inches
1.02 pounds
Ratings for NETGEAR (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| We Love TEC | - | ✅ | ✅ | ✅ |
| MI Deals Beyond Belief | - | ❌ | ❌ | ❌ |
| Used Electronics Depot | - | ❌ | ❌ | ❌ |
| BuyFromUs2012 | - | ❌ | ❌ | ❌ |
| NDR Solutions (Serial # Recorded) | - | ❌ | ❌ | ❌ |
| U.S. Products & Designs | - | ❌ | ❌ | ❌ |
| OGS Store (SERIAL NO RECORDED) | - | ❌ | ❌ | ❌ |
Features
Compatible with major cable internet providers including Xfinity, Spectrum, Cox and more. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
Best for cable provider plans up to 2.5Gbps
Top 9
Best Computer Networking Modems
Best for NETGEAR
Best for Bluetooth
Best for 5G
Best for Cable
Best for App
Best for Amazon Alexa
Best for HomeKit
Best for Nest
Best for SmartThings
Best for Vera
Best for DSL
Best for Router
Best for Comcast
Best for Spectrum
Best for Sprint
Best for Dual-Band
Best for Gigabit
NETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet ports | DOCSIS 3.1, Black
NETGEAR
CM1200-100NAS
6.1 x 3.4 x 10.3 inches
2.23 Pounds
Ratings for NETGEAR (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Baby-Dragons-Den | - | ❌ | ❌ | ❌ |
| Quality Plus Sales | - | ❌ | ❌ | ❌ |
| Preferred Products USA | - | ❌ | ❌ | ❌ |
| PlayLearn | - | ❌ | ❌ | ❌ |
| Aurora-Originals | - | ❌ | ❌ | ❌ |
| Used Electronics Depot | - | ❌ | ❌ | ❌ |
| BestforLess Store ✓ (Serial# Recorded) | - | ❌ | ❌ | ❌ |
| FDBV Corporate Group | - | ❌ | ❌ | ❌ |
| JKBJESS LLC | - | ❌ | ❌ | ❌ |
Features
Compatible with all major cable internet providers with internet speed up to 2Gbps. Currently certified with Spectrum and Cox (up to 1Gbps) and Xfinity (up to 800Mbps). Future speeds with these service providers may change over time. Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
Works with any WiFi router: Connect any WiFi router to this modem’s Ethernet port to support all your wireless devices
Top 10
Best Computer Networking Modems
Best for Motorola
Best for App
Best for Amazon Alexa
Best for Vera
Best for Spectrum
Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast Xfinity, Cox Gigablast, Spectrum | 2.5 Gbps Port | 2500 Mbps Max Internet Speeds
Motorola
MB8611
7.25 x 2.25 x 7.88 inches
0.0688 Pounds
Ratings for Motorola (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Motorola Network | 3,584 | ✅ | ✅ | ✅ |
| NoodleTech (SN recorded) | - | ❌ | ❌ | ❌ |
| OGS Store (SERIAL NO RECORDED) | - | ❌ | ❌ | ❌ |
| Tempest Keep Ventures | - | ❌ | ❌ | ❌ |
Features
Ultra-fast DOCSIS 3.1 performance - Delivers true Gigabit-plus speeds. Supports fast internet plans with Comcast Xfinity, Cox, and Spectrum. Backward compatible with 32x8 DOCSIS 3.0.
Pairs with any WiFi router - Seamlessly compatible with any WiFi router to connect all your devices. This cable modem does NOT have a built-in wireless router or telephone call capability.
Top 11
Best Computer Networking Modems
Best for ARRIS
Best for Cable
Best for Router
Best for Comcast
Best for Spectrum
Best for Broadband
Best for Surfboard
Arris Surfboard S33 DOCSIS 3.1 Multi‑Gig Cable Modem | 2.5Gbps + 1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | for Cable Internet Plans up to 2.5Gbps | Modem Only, Router Required
ARRIS
S33
5.25 x 1.8 x 5.24 inches
0.9 Pounds
Ratings for ARRIS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| Verdi! | 6,204 | ❌ | ❌ | ❌ |
| Da Baers | - | ❌ | ❌ | ❌ |
| Columbiatradestock (S/N Info Recorded) | - | ❌ | ❌ | ❌ |
| 86 Percent Co | - | ❌ | ❌ | ❌ |
| Techa Distribution | - | ❌ | ❌ | ❌ |
Features
Multi‑Gig speed for today & tomorrow: DOCSIS 3.1 performance supports cable internet plans up to 2.5 Gbps, delivering ultra‑fast streaming, gaming, and downloads.
Save on rental fees: Own your modem and avoid monthly equipment charges - check with your cable provider for plan compatibility.
Top 12
Best for 56 KBPS
Hayes Accura H08-15328 Data/Fax Modem - Serial - 1 x RJ-11 Phone Line, 1 x RS-232 Serial - 56 Kbps
Zoom
H08-15328-DG
9.1 x 4.72 x 0.6 inches
2.0 pounds
- Unknown: English
Ratings for Zoom (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Newfangled Networks | - | ✅ | ✅ | ✅ |
Features
Form Factor: External
Top 13
OSTENT GSM Modem with Wavecom Q2303A Module COM/RS232/Serial Port at Commands SMS Voice Call US Plug Power Adapter
OSTENT
LYSB00BD1NT12-ELECTRNCS
6.1 x 4.5 x 1.9 Inches
Ratings for OSTENT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| ostent | - | ❌ | ❌ | ❌ |
Features
Industrial-Grade GSM Modem
Based on Wavecom Q2303A Module
Top 14
OSTENT WCDMA/UMTS/HSDPA/HSPA+/FDD-LTE 4G Modem with SIMCOM SIM7600A Module COM/RS232/Serial Port AT Commands Bulk SMS MMS TCP/IP
OSTENT
Ratings for OSTENT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| ostent | - | ❌ | ❌ | ❌ |
Features
Industrial-grade 4G modem
Module: SIMCOM SIM7600A
Top 15
Arris TM822 (Series - TM822A) Touchstone Docsis 3.0 8x4 Ultra-High Speed Telephony Modem
ARRIS
TM822A
10.0 x 8.5 x 3.0 inches
0.875 Pounds
Ratings for ARRIS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| NetBetShop | 6,874 | ❌ | ❌ | ❌ |
Features
Backwards compatible with DOCSIS 1.0, 1.1, and 2.0
Flexible 8x4 downstream/upstream channel-bonding with superior throughput
Top 16
Best for DSL
Actiontec GT701D Ethernet DSL Modem with Routing Capabilities
Actiontec
GEU003AD3B-01
4.23 x 1.57 x 3.15 inches
0.0006 Pounds
- Original Language, Unknown: English
Ratings for Actiontec (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| DPS USA | - | ✅ | ✅ | ✅ |
| US Deals Corp | - | ✅ | ✅ | ✅ |
| OGS Store (SERIAL NO RECORDED) | - | ✅ | ✅ | ✅ |
| Lohart Industries | - | ✅ | ✅ | ✅ |
| toys texas | - | ✅ | ✅ | ✅ |
| BlueMesaSupply | - | ❌ | ❌ | ❌ |
| MI Deals Beyond Belief | - | ❌ | ❌ | ❌ |
| RC_BestSales | - | ❌ | ❌ | ❌ |
Features
Energy efficient design
Actiontec GEU003AD3B-01 1-Port DSL Modem
Top 17
OSTENT GSM GPRS Modem with Wavecom Q2403A Module COM/RS232/Serial Port at Commands SMS MMS Voice Call US Plug Power Adapter
OSTENT
LYSB00BD1NE12-ELECTR
6.5 x 4.0 x 1.5 inches
Ratings for OSTENT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| ostent | - | ✅ | ✅ | ✅ |
Features
Industrial-Grade GPRS Modem
Based on Wavecom Q2403A Module
U.S. Robotics USR5637 56K USB Controller Dial-Up External Fax Modem with Voice
USRobotics
USR5637
6.0 x 7.75 x 1.5 inches
0.26 Pounds
- Original Language, Unknown: English
Ratings for USRobotics (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Technology Galaxy | 589 | ✅ | ✅ | ✅ |
| PCNation | 3,842 | ✅ | ✅ | ✅ |
| CA Electronics Inc | - | ✅ | ✅ | ✅ |
| Sixdrop | - | ❌ | ❌ | ❌ |
| Wholesale Direct (S/N Recorded) | - | ❌ | ❌ | ❌ |
| HDD Shop | - | ❌ | ❌ | ❌ |
| Vandelay Online | - | ❌ | ❌ | ❌ |
| Hartmere Supply | - | ❌ | ❌ | ❌ |
Features
Controller-based modem integrates powerful communications processing functions into the modem itself, for assured performance without sapping processing power.
Windows Server 2012 R2/Win 10 /Win 10 64 bit/Server 2012/Win 8/Server 2011/Win 7/Server 2008/Vista/Server 2003/XP/2000 Mac 10.4-10.12
Top 19
Best for ARRIS
Best for Wireless
Best for Cable
Best for Amazon Alexa
Best for Vera
Best for DSL
Best for Spectrum
Best for Broadband
Best for Gigabit
Best for Surfboard
ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast Xfinity, Cox, Spectrum & More | 1 & 2.5 Gbps Ports | 2.5 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty
ARRIS
S33
4.74 x 1.8 x 5.14 inches
0.9 pounds
Ratings for ARRIS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Trilogies | - | ✅ | ✅ | ✅ |
| ARF Tech | 5,757 | ❌ | ❌ | ❌ |
| Verdi! | 6,204 | ❌ | ❌ | ❌ |
| Value Harbor (Serial Number Recorded) | - | ❌ | ❌ | ❌ |
| Columbiatradestock (S/N Info Recorded) | - | ❌ | ❌ | ❌ |
| Techa Distribution | - | ❌ | ❌ | ❌ |
| kinzworth | - | ❌ | ❌ | ❌ |
Features
Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).
US Robotics V.92 USR5686E External Modem + Fax, 56K
USRobotics
USR5686G
9.5 x 5.75 x 2.75 inches
1.6 Pounds
- Original Language: English
Ratings for USRobotics (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| LRCommerceGroup | - | ✅ | ✅ | ✅ |
| NDR Solutions (Serial # Recorded) | - | ✅ | ✅ | ✅ |
| Deals Worth Scrolling | - | ✅ | ✅ | ✅ |
| HDD Shop | - | ✅ | ✅ | ✅ |
| I.R.N. GROUP LLC | - | ✅ | ✅ | ✅ |
| SILVER HILL | - | ❌ | ❌ | ❌ |
| CorteseInc | - | ❌ | ❌ | ❌ |
| Wholesale Direct (S/N Recorded) | - | ❌ | ❌ | ❌ |
| Aurora-Originals | - | ❌ | ❌ | ❌ |
Features
Connect to the Internet quickly and easily; installs in three simple steps
Send e-mail and attachments up to 50-percent faster
Top 21
Best for NETGEAR
Best for Bluetooth
Best for HomeKit
Best for Nest
Best for SmartThings
Best for Sprint
NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem, Compatible with All Major Cable Providers Including Xfinity, Spectrum, Cox, for Cable Plans Up to 1 Gbps
NETGEAR
CM1000-1AZNAS
8.8 x 5.4 x 5.9 inches
2.14 pounds
Ratings for NETGEAR (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| TC Sourcing Group | - | ❌ | ❌ | ❌ |
| Preferred Products USA | - | ❌ | ❌ | ❌ |
| SolasDistribution | - | ❌ | ❌ | ❌ |
| OGS Store (SERIAL NO RECORDED) | - | ❌ | ❌ | ❌ |
Features
Compatible with all major cable internet providers with internet speed up to 1Gbps. Currently certified with Spectrum and Cox (up to 1Gbps), Xfinity (up to 950Mbps). Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
Save monthly rental fees: Model CM1000 replaces your cable modem saving you up to dollar 168/year in equipment rental fees.
Top 22
PUSR Global Frequency Industrial M2m Serial Rs485 4g LTE Modem GSM Serial Modem USR-G786-G
PUSR
USR-G786-G
Ratings for PUSR (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| PUSR IOT Technology Limited | - | ❌ | ❌ | ❌ |
Features
Work Mode: Transparent Mode, HTTPD Client Mode, SMS Mode
TCP Server/Client,UDP, Modbus RTU to TCP
Top 23
Lantronix M110 Series Industrial Cellular Modem - Compact Serial-to-Cellular Industrial Modem; M113 Dual-Mode LTE-M/NB-IoT, M114 LTE Cat-1bis, with RS-232 Serial, USB-C and 2 Versatile I/O
Lantronix
M113F002S
Ratings for Lantronix (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Cloud Care USA | - | ❌ | ❌ | ❌ |
Features
OFFICIAL LANTRONIX PRODUCT: Cellular Modem - Model M113F002S
PRODUCT DETAILS: M110 Series Industrial Cellular Modem - Compact serial-to-cellular industrial modem; M113 dual-mode LTE-M/NB-IoT, M114 LTE Cat-1bis, with RS-232 serial, USB-C and 2 versatile I/O
NETGEAR High-Speed Broadband DSL Modem (DM200-100NAS). Compatible with CenturyLink, Verizon, and Frontier)
NETGEAR
DM200-100NAS
8.39 x 7.24 x 3.9 inches
1.21 pounds
Ratings for NETGEAR (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| eCommerce Central Hub | - | ✅ | ✅ | ✅ |
| Lightsaver Deals | - | ✅ | ✅ | ✅ |
| Books Galore & More LLC | - | ✅ | ✅ | ✅ |
| vin-vintage | - | ❌ | ❌ | ❌ |
| Used Electronics Depot | - | ❌ | ❌ | ❌ |
Features
Compatible with only DSL internet service providers such as CenturyLink (non-bonded VDSL) and Frontier (non-bonded VDSL)
Not compatible with upgraded vectoring CenturyLink DSLAM
Top 25
Black Box 2-Port RS232 DB9 Passive Splitter
Generic
TL115A
6.75 x 6.5 x 2.25 inches
0.0006 Pounds
Ratings for Generic (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| SELECTUM | - | ❌ | ❌ | ❌ |
Features
More for the money with this high quality Product
Offers premium quality at outstanding saving
NETGEAR Cable Modem with Voice CM500V - For Xfinity by Comcast Internet & Voice | Supports Cable Plans Up to 300 Mbps | 2 Phone lines | DOCSIS 3.0, Black, 16x4 w/ Voice (CM500V-100NAS)
NETGEAR
CM500V-100NAS
12.81 x 11.54 x 16.67 inches
1.85 pounds
Ratings for NETGEAR (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Go Kenico | - | ✅ | ✅ | ✅ |
| TradePort | 5,230 | ✅ | ✅ | ✅ |
| 3Rsgoods | - | ✅ | ✅ | ✅ |
| Wolgies PrimePicks | - | ❌ | ❌ | ❌ |
| Estate Of Trance | - | ❌ | ❌ | ❌ |
| Used Electronics Depot | - | ❌ | ❌ | ❌ |
| SavvyDigz | - | ❌ | ❌ | ❌ |
| U.S. Products & Designs | - | ❌ | ❌ | ❌ |
Features
COMPATIBLE WITH XFINITY INTERNET & VOICE SERVICE: Certified by Comcast for Xfinity. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and non-Xfinity voice services.
SAVE MONTHLY RENTAL FEES: Model CM500V replaces your cable modem saving you up to $168/yr in equipment rental fees.
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More
Motorola
MB7420-10
4.9 x 2.0 x 6.1 inches
0.5813 pounds
Ratings for Motorola (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Motorola Network | 3,584 | ✅ | ✅ | ✅ |
| East To West | - | ✅ | ✅ | ✅ |
| OGS Store (SERIAL NO RECORDED) | - | ❌ | ❌ | ❌ |
| Tech Union | 2,061 | ❌ | ❌ | ❌ |
| ZenMedia34 | - | ❌ | ❌ | ❌ |
| NetBetShop | 6,874 | ❌ | ❌ | ❌ |
Features
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 faster, more reliable Internet.
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 wireless router and does not have a telephone adapter or phone jack. The Motorola MG7310, MG7315, MG7540 and MG7550 have a built-in wireless router.)
Top 28
OSTENT GSM GPRS Modem with Wavecom Q2426B Module 850/1900MHZ COM/RS232/Serial Port AT Commands SMS MMS Voice Call AU Plug Power Adapter
OSTENT
LYSB00BD1NML4-ELECTRNCS
Ratings for OSTENT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| ostent | - | ❌ | ❌ | ❌ |
Features
Industrial-Grade GPRS Modem
Based on Wavecom Q2426B Module
Top 29
ARRIS TM822 (Series - TM822A) Touchstone Docsis 3.0 8x4 Ultra-High Speed Telephony Modem (Renewed)
ARRIS
TM822A
7.3 x 1.7 x 6.2 inches
Ratings for ARRIS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| INTERWEB Computer Solutions Inc | - | ❌ | ❌ | ❌ |
| Search Buy Repeat | - | ❌ | ❌ | ❌ |
Features
Backwards compatible with DOCSIS 1.0, 1.1, and 2.0
Flexible 8x4 downstream/upstream channel-bonding with superior throughput
NETGEAR Cable Modem CM700 - Compatible with all Cable Providers incl. Xfinity, Spectrum, Cox | For Cable Plans up to 800Mbps | DOCSIS 3.0| Black
NETGEAR
CM700-100NAS
6.6 x 5.2 x 1.7 inches
0.55 Pounds
Ratings for NETGEAR (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Books Galore & More LLC | - | ✅ | ✅ | ✅ |
| We Love TEC | - | ✅ | ✅ | ✅ |
| SAVEABIZ | - | ✅ | ✅ | ✅ |
| COMPUTER GEEKS | - | ✅ | ✅ | ✅ |
| BuyFromUs2012 | - | ❌ | ❌ | ❌ |
| MI Deals Beyond Belief | - | ❌ | ❌ | ❌ |
| novaeta | - | ❌ | ❌ | ❌ |
| kino rv | - | ❌ | ❌ | ❌ |
| amazinoutlet | - | ❌ | ❌ | ❌ |
| House & Home Improvement | - | ❌ | ❌ | ❌ |
Features
Up to 1.4Gbps download and upload speed. Separate router required for WiFi. 32x8 channel bonding . Cable Broadband Internet service: Please check your cable Internet service provider web site for data speed tier compatibility.Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network. Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
Top 10 Serial Modems - Verified to Buy (October 2026)
- 1. Advantech BB-9PMDS, Serial Modem Data Splitter - 9-pin
- 2. Motorola SURFboard SB6121 Cable Modem (SB6121)
- 3. ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for...
- 4. A.Dinsenen Integrative USB Hart Modem USB to Hart Protocol Modem...
- 5. NETGEAR Nighthawk Multi-Gig Speed Cable Modem DOCSIS 3.1 (CM1100), Black,...
- 6. OSTENT GSM GPRS Modem with Wavecom Q2426B Module 850/1900MHZ COM/RS232/Serial...
- 7. OSTENT GSM/GPRS/Edge/WCDMA/UMTS/HSDPA/HSPA+/FDD-LTE 4G Modem with SIMCOM SIM7600E Module COM/RS232/Serial Port...
- 8. NETGEAR Nighthawk Multi-Gig Cable Modem (CM2000) - Compatible With All...
- 9. NETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable...
- 10. Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with...
Top 10 Serial Modems Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- ADVANTECH
- ARRIS
- A.Dinsenen
- NETGEAR
- OSTENT
- Motorola
- Zoom
- Actiontec
- USRobotics
- PUSR
Related Serial Modems Guides
For more personalized Serial Modems guides, Check those pages,
Top 10 Serial Modems Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. Technology Galaxy : 75,674 Yearly Feedback , Avg. Ratings 4.6
- 2. Tech Union : 28,146 Yearly Feedback , Avg. Ratings 4.8
- 3. Motorola Network : 17,714 Yearly Feedback , Avg. Ratings 4.8
- 4. PCNation : 16,678 Yearly Feedback , Avg. Ratings 4.5
- 5. TradePort : 12,616 Yearly Feedback , Avg. Ratings 4.7
- 6. ARF Tech : 11,561 Yearly Feedback , Avg. Ratings 4.9
- 7. Verdi! : 10,825 Yearly Feedback , Avg. Ratings 4.6
- 8. NetBetShop : 9,830 Yearly Feedback , Avg. Ratings 4.7
- 9. Rally Bargains Inc : 6,770 Yearly Feedback , Avg. Ratings 4.9
- 10. HDD Shop : 6,250 Yearly Feedback , Avg. Ratings 4.8
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | Technology Galaxy | 75,674 | 4.6 |
| 🥈 | Tech Union | 28,146 | 4.8 |
| 🥉 | Motorola Network | 17,714 | 4.8 |
| 4 | PCNation | 16,678 | 4.5 |
| 5 | TradePort | 12,616 | 4.7 |
| 6 | ARF Tech | 11,561 | 4.9 |
| 7 | Verdi! | 10,825 | 4.6 |
| 8 | NetBetShop | 9,830 | 4.7 |
| 9 | Rally Bargains Inc | 6,770 | 4.9 |
| 10 | HDD Shop | 6,250 | 4.8 |
[Get] Serial Modems Deals (✅Exclusively for Prime)
What does "Amazon Fulfilled" Mean?
Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.
When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.
What does "Prime" Mean?
"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.
Prime members also have access to other benefits, including 2-Day Shipping, Exclusive Member Deals, Prime Video, Buy With Prime, Amazon Music, Prime Gaming, and more.
Shop Prime Serial Modems Deals
What does "Free Shipping" Mean?
"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.
Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.
Why Should You Trust Us?
Now hundreds and thousands of Computers & Accessories supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Serial Modems to buy for new October 2026?
CherryPicks’s Methodology for Evaluating Serial Modems
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Computers & Accessories items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 162 of Serial Modems reviews based on our selection criteria. It helped us shortlist the top qualified and rated Serial Modems for Computers & Accessories, We found that most customers choose Serial Modems with an average price of $116.43, and the top brands are Generic, NETGEAR, Motorola, ARRIS, OSTENT, Zoom, Actiontec, USRobotics, Lantronix And ADVANTECH.
Then our expert-level editors reviewed all those quality items and selected the top 30 Serial Modems for you, We have researched hundreds of sellers and picked the top sellers for Computers & Accessories, including Amazon Resale, Technology Galaxy, Tech Union, Motorola Network, PCNation, TradePort, ARF Tech, Verdi!, NetBetShop, Rally Bargains Inc, HDD Shop And AMAZINGG-PRIME. The Advantech BB-9PMDS, Serial Modem Data Splitter ... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 0 consumers with an average rating of 0.0.
We've helped a lot of satisfied users get the right Electronics product based on their needs, and save lots of time for them to pick Serial Modems to buy.
Jeffery is a student of mechatronics engineering who has fallen in love with a writing product reviews on electronics. He owns a blog and a YouTube channel where he unboxes and reviews electronic products. He brings his experience here to help you buy only the good products out there.