Serial Data Modems(90)
Uses item details. Price when purchased online
ARRIS Surfboard (16x4) DOCSIS 3.0 Cable Modem. Approved for Xfinity Comcast, Cox, Charter and Most Other Cable Internet Providers for Plans up to 400 Mbps. - New Condition $49.00 Was $69.00

Now$4900
current price Now $49.00, Was $69.00$69.00
ARRIS Surfboard (16x4) DOCSIS 3.0 Cable Modem. Approved for Xfinity Comcast, Cox, Charter and Most Other Cable Internet Providers for Plans up to 400 Mbps. - New Condition
3443.9 out of 5 Stars. 344 reviews
ARRIS Surfboard SB 8200 DOCSIS 3.1 Gigabit Cable Modem, Approved for Cox, Xfinity, Spectrum & Others $152.09 Was $169.99

Now$15209
current price Now $152.09, Was $169.99$169.99
ARRIS Surfboard SB 8200 DOCSIS 3.1 Gigabit Cable Modem, Approved for Cox, Xfinity, Spectrum & Others
5644 out of 5 Stars. 564 reviews
Unrated
NETGEAR CM500 (16x4) DOCSIS 3.0 Cable Modem. Max download speeds of 680Mbps. Certified for XFINITY by Comcast, Time Warner Cable, Cox, Charter & more (CM500) $63.79

$6379
current price $63.79NETGEAR CM500 (16x4) DOCSIS 3.0 Cable Modem. Max download speeds of 680Mbps. Certified for XFINITY by Comcast, Time Warner Cable, Cox, Charter & more (CM500)
4724.6 out of 5 Stars. 472 reviews
NETGEAR CM1200-100NAR Nighthawk CM1200 DOCSIS 3.1 Multi-Gig Cable Modem, Black $199.99 $199.99/count

$19999
current price $199.99$199.99/count
NETGEAR CM1200-100NAR Nighthawk CM1200 DOCSIS 3.1 Multi-Gig Cable Modem, Black
10574.5 out of 5 Stars. 1057 reviews
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External Serial Modem Zoom Model 3049 56K V.90 V.92 - New/Sealed - SHIPS TODAY! $57.47

$5747
current price $57.47External Serial Modem Zoom Model 3049 56K V.90 V.92 - New/Sealed - SHIPS TODAY!
ARRIS Surfboard (32x8) Cable Modem, DOCSIS 3.0 - New Condition From $39.99

From$3999
ARRIS Surfboard (32x8) Cable Modem, DOCSIS 3.0 - New Condition
3953.8 out of 5 Stars. 395 reviews
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Unrated
Netgear Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem $134.99 Was $199.00

Now$13499
current price Now $134.99, Was $199.00$199.00
Netgear Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem
16044.6 out of 5 Stars. 1604 reviews
Arris S33-RB Surfboard DOCSIS 3.1 Multi-Gigabit Cable Modem $119.99

$11999
current price $119.99Arris S33-RB Surfboard DOCSIS 3.1 Multi-Gigabit Cable Modem
44 out of 5 Stars. 4 reviews
Best seller ARRIS Surfboard DOCSIS 3.1 Multi-Gigabit Cable Modem with 2.5 Gbps Ethernet Port, Approved for Cox, Xfinity, Spectrum and Others, Wireless Technology - New Condition $199.00

$19900
current price $199.00ARRIS Surfboard DOCSIS 3.1 Multi-Gigabit Cable Modem with 2.5 Gbps Ethernet Port, Approved for Cox, Xfinity, Spectrum and Others, Wireless Technology - New Condition
2434.2 out of 5 Stars. 243 reviews
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RS485 Dual Frequency WiFi Serial Server Modem AC 85~265V EBYTE NA611-A 802.11 A/b/g/n Industrial Grade Transceiver Transmitter Receiver $41.99

$4199
current price $41.99RS485 Dual Frequency WiFi Serial Server Modem AC 85~265V EBYTE NA611-A 802.11 A/b/g/n Industrial Grade Transceiver Transmitter Receiver
FOR Europe Industrial M2m LTE CAT 1 Serial Cellular Modem RS485 RS232 4g Lte Modem USR-G771-E $78.86

$7886
current price $78.86FOR Europe Industrial M2m LTE CAT 1 Serial Cellular Modem RS485 RS232 4g Lte Modem USR-G771-E
ARRIS Surfboard (16x4) DOCSIS 3.0 Cable Modem/ AC1900 Dual-Band Wi-Fi Router, Approved for Xfinity Comcast, Cox, Charter and Most Cable Internet Providers, Wireless Technology - New Condition $67.65

$6765
current price $67.65ARRIS Surfboard (16x4) DOCSIS 3.0 Cable Modem/ AC1900 Dual-Band Wi-Fi Router, Approved for Xfinity Comcast, Cox, Charter and Most Cable Internet Providers, Wireless Technology - New Condition
2614 out of 5 Stars. 261 reviews
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Mature (17+)
Restored NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM2500) $148.99

$14899
current price $148.99Restored NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM2500)
11 out of 5 Stars. 1 reviews
NETGEAR Nighthawk DOCSIS 3.1 2.5Gbps Internet Speed Cable Modem for XFINITY Internet & Voice (CM2050V-100NAS) $299.99

$29999
current price $299.99NETGEAR Nighthawk DOCSIS 3.1 2.5Gbps Internet Speed Cable Modem for XFINITY Internet & Voice (CM2050V-100NAS)
3674.5 out of 5 Stars. 367 reviews
ARRIS (SB6190-RB) - Cable Modem - DOCSIS 3.0 32x8 Gigabit Modem, [Check with your provider for compatibility]1 Gbps Port, 800 Mbps Max Speed, 2 Year Warranty $43.14
![ARRIS (SB6190-RB) - Cable Modem - DOCSIS 3.0 32x8 Gigabit Modem, [Check with your provider for compatibility]1 Gbps Port, 800 Mbps Max Speed, 2 Year Warranty](https://i5.walmartimages.com/seo/ARRIS-SB6190-RB-Cable-Modem-DOCSIS-3-0-32x8-Gigabit-Modem-Check-provider-compatibility-1-Gbps-Port-800-Mbps-Max-Speed-2-Year-Warranty_658c424b-a7af-454d-94c6-c24392752fe1.a90d7995c8176cb549dbd07e566174ed.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$4314
current price $43.14ARRIS (SB6190-RB) - Cable Modem - DOCSIS 3.0 32x8 Gigabit Modem, [Check with your provider for compatibility]1 Gbps Port, 800 Mbps Max Speed, 2 Year Warranty
Arris G54 SURFboard DOCSIS 3.1 Gigabit Modem & Wi-Fi 7 Router $693.99

$69399
current price $693.99Arris G54 SURFboard DOCSIS 3.1 Gigabit Modem & Wi-Fi 7 Router
13 out of 5 Stars. 1 reviews
Restored NETGEAR CM2000-100NAR Nighthawk Multi-Gig Cable Modem (Refurbished) $155.00

$15500
current price $155.00Restored NETGEAR CM2000-100NAR Nighthawk Multi-Gig Cable Modem (Refurbished)
EBYTE RS485 to WiFi Dual Frequency WiFi Serial Server Modem Storage Gateway NA611-S Industrial Transceiver Transmitter Receiver $26.79

$2679
current price $26.79EBYTE RS485 to WiFi Dual Frequency WiFi Serial Server Modem Storage Gateway NA611-S Industrial Transceiver Transmitter Receiver
Best seller ARRIS Surfboard 16x4 Cable Modem / AC1600 Dual-Band Wifi Router. Approved for Xfinity Comcast, Cox, Charter and Most Other Cable Internet Providers, Wireless Technology - New Condition $57.00 Was $99.00

Now$5700
current price Now $57.00, Was $99.00$99.00
ARRIS Surfboard 16x4 Cable Modem / AC1600 Dual-Band Wifi Router. Approved for Xfinity Comcast, Cox, Charter and Most Other Cable Internet Providers, Wireless Technology - New Condition
5583.8 out of 5 Stars. 558 reviews
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Netgear Nighthawk DOCSIS 3.1 High Speed Internet Cable Modem $299.99

$29999
current price $299.99Netgear Nighthawk DOCSIS 3.1 High Speed Internet Cable Modem
2194.9 out of 5 Stars. 219 reviews
ARRIS SURFboard Cable Modem SB6183 - White $41.42

$4142
current price $41.42ARRIS SURFboard Cable Modem SB6183 - White
ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem, Approved for Cox, Spectrum, Xfinity & others (White), Max Download Speed: 1.4 Gbps $75.99

$7599
current price $75.99ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem, Approved for Cox, Spectrum, Xfinity & others (White), Max Download Speed: 1.4 Gbps
BNIB D-Link DCM-100 High Speed Cable Modem $55.00

$5500
current price $55.00BNIB D-Link DCM-100 High Speed Cable Modem
ARRIS Surfboard 32x8 DOCSIS 3.1 Cable Modem & AC2350 Dual-Band Wi-Fi Router, Wireless Technology - New Condition $215.00

$21500
current price $215.00ARRIS Surfboard 32x8 DOCSIS 3.1 Cable Modem & AC2350 Dual-Band Wi-Fi Router, Wireless Technology - New Condition
613.9 out of 5 Stars. 61 reviews
433MHz Lora Rail Installation Mini Modem E95M-DTU(400SL22-485) RS485 22dbm 5Km Serial Port Fireware Update at Command Modbus RSSI LBT $25.29

$2529
current price $25.29433MHz Lora Rail Installation Mini Modem E95M-DTU(400SL22-485) RS485 22dbm 5Km Serial Port Fireware Update at Command Modbus RSSI LBT
Arris SURFboard SBG6580 - Wireless router - cable modem - 4-port switch - GigE - 802.11a/b/g/n - Dual Band $99.99

$9999
current price $99.99Arris SURFboard SBG6580 - Wireless router - cable modem - 4-port switch - GigE - 802.11a/b/g/n - Dual Band
1273.6 out of 5 Stars. 127 reviews
Motorola B12 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 B12 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
75 out of 5 Stars. 7 reviews
FOR USR-G781 Industrial transparent data transmission RS232/RS485 Serial to 4G LTE DTU Modem Serial with Ethernet Port $232.89

$23289
current price $232.89FOR USR-G781 Industrial transparent data transmission RS232/RS485 Serial to 4G LTE DTU Modem Serial with Ethernet Port
NETGEAR Nighthawk 2.5Gbps Internet Speed DOCSIS 3.1 Cable Modem (CM2500-100NAS) $325.00

$32500
current price $325.00NETGEAR Nighthawk 2.5Gbps Internet Speed DOCSIS 3.1 Cable Modem (CM2500-100NAS)
54.2 out of 5 Stars. 5 reviews
UART to Ethernet Seriall Server RS485/RS232/RS422 to Ethernet TCP UDP RJ45 CDSENET NB114 Wireless Serial Device Server Modem $26.99

$2699
current price $26.99UART to Ethernet Seriall Server RS485/RS232/RS422 to Ethernet TCP UDP RJ45 CDSENET NB114 Wireless Serial Device Server Modem
Arris G34 SURFboard DOCSIS 3.1 Gigabit Modem & Wi-Fi 6 Router $225.99

$22599
current price $225.99Arris G34 SURFboard DOCSIS 3.1 Gigabit Modem & Wi-Fi 6 Router
272.2 out of 5 Stars. 27 reviews
ARRIS Surfboard SB8200 DOCSIS 3.1 Cable Modem, 1000205 $206.59

$20659
current price $206.59ARRIS Surfboard SB8200 DOCSIS 3.1 Cable Modem, 1000205
SB8200 Cable Modem Surface Fast DOCSIS 3.1, Approved for Comcast Xfinity, Cox, Charter Spectrum, & More 1Gbps Internets Speed 4 OFDM Channels 2X Lan Port $199.99

$19999
current price $199.99SB8200 Cable Modem Surface Fast DOCSIS 3.1, Approved for Comcast Xfinity, Cox, Charter Spectrum, & More 1Gbps Internets Speed 4 OFDM Channels 2X Lan Port
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Arris G36 SURFboard DOCSIS 3.1 Gigabit Modem & Wi-Fi 6 Router $327.38

$32738
current price $327.38From $199.99
Arris G36 SURFboard DOCSIS 3.1 Gigabit Modem & Wi-Fi 6 Router
372.2 out of 5 Stars. 37 reviews
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Restored ARRIS Surfboard (16x4) DOCSIS 3.0 Cable Modem. Approved for Xfinity Comcast, Cox, Charter and Most Other Cable Internet Providers for Plans up to 300 Mbps (SB6183), White - New Condition $39.99

$3999
current price $39.99Restored ARRIS Surfboard (16x4) DOCSIS 3.0 Cable Modem. Approved for Xfinity Comcast, Cox, Charter and Most Other Cable Internet Providers for Plans up to 300 Mbps (SB6183), White - New Condition
Restored Arris SBG8300-RB Surfboard DOCSIS 3.1 Gigabit Cable Modem & AC2350 Wi-Fi Router - (Refurbished) $150.00

$15000
current price $150.00Restored Arris SBG8300-RB Surfboard DOCSIS 3.1 Gigabit Cable Modem & AC2350 Wi-Fi Router - (Refurbished)
64.7 out of 5 Stars. 6 reviews
FOR Version Industrial Cellular Modem 4G LTE serial modem with SIM card Ethernet port USR-G781-E $219.52

$21952
current price $219.52FOR Version Industrial Cellular Modem 4G LTE serial modem with SIM card Ethernet port USR-G781-E
NETGEAR CM1000-100NAS DOCSIS 3.1 Gigabit Cable Modem. Max speeds of 1.0 Gbps, For XFINITY by Comcast, Spectrum, and Cox. Compatible $158.41

$15841
current price $158.41NETGEAR CM1000-100NAS DOCSIS 3.1 Gigabit Cable Modem. Max speeds of 1.0 Gbps, For XFINITY by Comcast, Spectrum, and Cox. Compatible
21 out of 5 Stars. 2 reviews
ARRIS G20 AX3000 D3.1 Wi-Fi 6 Cable Modem Router $239.00

$23900
current price $239.00ARRIS G20 AX3000 D3.1 Wi-Fi 6 Cable Modem Router
293.8 out of 5 Stars. 29 reviews
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NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem, Compatible with All Major ISP Providers Including Xfinity, Spectrum, Cox, for Cable Plans Up to 1 Gbps,Black $169.99

$16999
current price $169.99NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem, Compatible with All Major ISP Providers Including Xfinity, Spectrum, Cox, for Cable Plans Up to 1 Gbps,Black
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