No results found
Use the down arrow to enter the dropdown. Use the up and down arrows to move through the list, and enter to select. To remove the current item in the list, use the tab key to move to the remove button of the currently selected item. Use Escape to close the dropdown and return to the search box.
Search For Sale
Navigate Categories by tabbing to the major areas. Use the Down key to navigate the sub categories and once on the subcategory you are interested in. Use the Enter key to navigate to that page.
The simpler way to buy and sell locally!

Comcast modem

Sub categories

Selected filters

Current listings

Netgear Coax Cable Modem + Power Cord + Coaxial Cable + Ethernet CableNetgear Coax Cable Modem + Power Cord + Coaxial Cable + Ethernet Cable$45Diamond Bar, CAModemModem$20San Bernardino, CABrand New MOTOROLA MB8611 DOCSIS 3.1 Cable Modem with 2.5G Ethernet, Approved for Comcast Xfinity (Gigabit), Cox and Charter SpectrumBrand New MOTOROLA MB8611 DOCSIS 3.1 Cable Modem with 2.5G Ethernet, Approved for Comcast Xfinity (Gigabit), Cox and Charter Spectrum$50Moreno Valley, CAARRIS Surfboard G34 DOCSIS 3.1 Gigabit Cable Modem Wi-Fi 6 RouterARRIS Surfboard G34 DOCSIS 3.1 Gigabit Cable Modem Wi-Fi 6 Router$100Goodyear, AZMotorola MB8600 DOCSIS 3.1 Cable ModemMotorola MB8600 DOCSIS 3.1 Cable Modem$40Fontana, CAComcast Xfinity Modem Router Wifi Use$180.00Comcast Xfinity Modem Router Wifi UseeBayAdARRIS SURFboard (16x4) Cable ModemARRIS SURFboard (16x4) Cable Modem$30Lake Forest, CANETGEAR Nighthawk CM1200 DOCSIS 3.1 NETGEAR Nighthawk CM1200 DOCSIS 3.1 $190Covina, CAMotorola MG8702 - DOCSIS 3.1 Cable Modem + AC3200 Wifi RouterMotorola MG8702 - DOCSIS 3.1 Cable Modem + AC3200 Wifi Router$250West Covina, CAARRIS SURFboard Cable Modem SBG6950AC2ARRIS SURFboard Cable Modem SBG6950AC2$30Lake Forest, CANETGEAR Cable Modem WiFi Router Combo C6300 | Compatible with Providers Xfinity by Comcast, Spectrum, Cox | Plans Up to 400Mbps | AC1750 WiFi Speed | NETGEAR Cable Modem WiFi Router Combo C6300 | Compatible with Providers Xfinity by Comcast, Spectrum, Cox | Plans Up to 400Mbps | AC1750 WiFi Speed | $75Laguna Niguel, CANETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice (CM2050V) – for Cable Plans up to 2.5Gbps - DOCSIS 3.1-2 Phone LinesNETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice (CM2050V) – for Cable Plans up to 2.5Gbps - DOCSIS 3.1-2 Phone Lines$300Irwindale, CACable Modem Cm500 - Compatible With All Cable Providers Including$55.99Cable Modem Cm500 - Compatible With All Cable Providers IncludingeBayAdARRIS SBG10 Cable Modem & Wi-Fi RouterARRIS SBG10 Cable Modem & Wi-Fi Router$25Rancho Cucamonga, CANETGEAR Nighthawk Modem RouterNETGEAR Nighthawk Modem Router$60Riverside, CAAC1900 WiFi Cable Modem Router (C7000) Nighthawk DOCSIS 3.0 1.9Gbps Two-in-one Cable Modem +WiFi RouterAC1900 WiFi Cable Modem Router (C7000) Nighthawk DOCSIS 3.0 1.9Gbps Two-in-one Cable Modem +WiFi Router$50Fort Lauderdale, FLWiFi Internet Motorola Modem & Router Combo MG7700WiFi Internet Motorola Modem & Router Combo MG7700$75Placentia, CANETGEAR WiFi Cable Modem Router (C3700)NETGEAR WiFi Cable Modem Router (C3700)$30Irvine, CAMotorola MB8600 DOCSIS 3.1 Cable Modem Motorola MB8600 DOCSIS 3.1 Cable Modem $120Irwindale, CAXfinity Comcast Modem / Wifi Router Wifi Xb6-T Maybe Registered Read$29.99Xfinity Comcast Modem / Wifi Router Wifi Xb6-T Maybe Registered ReadeBayAdCable Modem Cable Modem $80City Of Industry, CACable Modem Cable Modem $50City Of Industry, CANETGEAR N600 8 x 4 WiFi Cable Modem and Router; Certified for XFINITY by Comcast, Spectrum, Cox, and more (C3700-100NAS)NETGEAR N600 8 x 4 WiFi Cable Modem and Router; Certified for XFINITY by Comcast, Spectrum, Cox, and more (C3700-100NAS)$50Ontario, CAArris Surfboard SB6190 Cable ModemArris Surfboard SB6190 Cable Modem$35San Juan Capistrano, CANETGEAR Nighthawk Modem UsedNETGEAR Nighthawk Modem Used$75Corona, CANetgear AC1900Netgear AC1900$85Riverside, CAXfinity Xb6-A Wifi Router & Modem With Power Cord$60.00Xfinity Xb6-A Wifi Router & Modem With Power CordeBayAdWiFi Cable Modem (Brand New)WiFi Cable Modem (Brand New)$155Williamsburg, VAMotorola MG7540 Cable Modem Plus AC 1600 Duel Band Wi-Fi Gigabit RouterMotorola MG7540 Cable Modem Plus AC 1600 Duel Band Wi-Fi Gigabit Router$30Phillips Ranch, CANetgear Ac1900 Wifi Cable Modem Router Netgear Ac1900 Wifi Cable Modem Router $75Anaheim, CANetgear Cable Modem / WiFi Router Netgear Cable Modem / WiFi Router $40Fullerton, CANETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 GigabNETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 Gigab$125Garden Grove, CANETGEAR N600 (8x4) WiFi DOCSIS 3.0 Cable Modem Router (C3700) Certified for Xfinity from Comcast, Spectrum, Cox, Spectrum & moreNETGEAR N600 (8x4) WiFi DOCSIS 3.0 Cable Modem Router (C3700) Certified for Xfinity from Comcast, Spectrum, Cox, Spectrum & more$105Irvine, CAXfinity Home Wifi Router Modem 4-Ports White Xb7-Cm Open Box$97.95Xfinity Home Wifi Router Modem 4-Ports White Xb7-Cm Open BoxeBayAdNetgear Cable Modem/Router ComboNetgear Cable Modem/Router Combo$65Anaheim, CANETGEAR-C6250 AC1600 WiFi Router with DOCSIS 3.0 Cable Modem Certified for XFINITY by Comcast, Spectrum, Cox, and moreNETGEAR-C6250 AC1600 WiFi Router with DOCSIS 3.0 Cable Modem Certified for XFINITY by Comcast, Spectrum, Cox, and more$120Bloomington, CACable ModemCable Modem$100Santa Ana, CARouter Router $115Spring, TXARRIS SURFboard SBG10 DOCSIS 3.0, Cable Modem And Wifi Router ARRIS SURFboard SBG10 DOCSIS 3.0, Cable Modem And Wifi Router $21Irvine, CAMotorola MG7550 Modem + AC1900 RouterMotorola MG7550 Modem + AC1900 Router$35Fullerton, CACOMCAST XFINITY XB7-T GIGABIT Modem Wifi Router AC Adapter & Ethernet Untested$59.99COMCAST XFINITY XB7-T GIGABIT Modem Wifi Router AC Adapter & Ethernet UntestedeBayAdTP-Link TC-7610 DOCSIS 3.0 (8x4) Cable Modem. Max Download Speeds Up to 343Mbps. Certified for Comcast XFINITY, Spectrum, Cox, and more. Separate RoutTP-Link TC-7610 DOCSIS 3.0 (8x4) Cable Modem. Max Download Speeds Up to 343Mbps. Certified for Comcast XFINITY, Spectrum, Cox, and more. Separate Rout$30Moreno Valley, CAGently Used Cable Modem - Netgear CM1000Gently Used Cable Modem - Netgear CM1000$60Rialto, CATP-LINK Archer CR700 AC1750TP-LINK Archer CR700 AC1750$50Garden Grove, CAWireless WiFi Cable Modem Router 300MbpsWireless WiFi Cable Modem Router 300Mbps$125El Monte, CALinksys CM3024 High Speed DOCSIS 3.0 24x8 Cable Modem, Certified for Comcast/Xfinity, Time Warner, Cox & CharterLinksys CM3024 High Speed DOCSIS 3.0 24x8 Cable Modem, Certified for Comcast/Xfinity, Time Warner, Cox & Charter$75Corona, CAComcast Authorized surfboard modemComcast Authorized surfboard modem$20Irvine, CAComcast Xfinity XB7-T GIGABIT Modem Wifi Router W Power Cord$63.00Comcast Xfinity XB7-T GIGABIT Modem Wifi Router W Power CordeBayAdARRIS SURFboard SBG6900AC Docsis 3.0 16x4 Cable Modem/ Wi-Fi AC1900 RouterARRIS SURFboard SBG6900AC Docsis 3.0 16x4 Cable Modem/ Wi-Fi AC1900 Router$75Garden Grove, CAEero J010001 Pro 6E Tri-band Mesh Wi-Fi 6E System 2-Pack White With Mount BundleEero J010001 Pro 6E Tri-band Mesh Wi-Fi 6E System 2-Pack White With Mount Bundle$140West Sacramento, CA