{"product_id":"motorola-b12","title":"Motorola B12 DOCSIS 3.1 Cable Modem | 2.5 Gbps Ethernet | Xfinity, Cox, Spectrum Approved","description":"\u003cp\u003eThe Motorola B12 is a next-generation DOCSIS 3.1 cable modem built for households that need reliable multi-gigabit internet without paying monthly rental fees. It replaces the popular Motorola MB8611 with updated internals, 32 x 8 channel bonding, and a compact 3.5\" x 3.5\" x 5.5\" footprint that fits just about anywhere.\u003c\/p\u003e\n\u003cdiv style=\"background: rgba(0, 123, 255, 0.08); border-left: 4px solid rgba(0, 123, 255, 0.6); padding: 16px 20px; margin: 24px 0; border-radius: 4px; color: inherit;\"\u003e\n\u003cstrong style=\"color: inherit;\"\u003eKey Takeaways\u003c\/strong\u003e\n\u003cul style=\"color: inherit;\"\u003e\n\u003cli style=\"color: inherit;\"\u003eDOCSIS 3.1 modem with a 2.5 Gbps Ethernet port supporting downstream speeds up to 2,500 Mbps and upstream speeds up to 800 Mbps on compatible plans.\u003c\/li\u003e\n\u003cli style=\"color: inherit;\"\u003eApproved for Comcast Xfinity, Cox, Spectrum, RCN, and Astound, and designed to replace the MB8611 with 32 x 8 channel bonding.\u003c\/li\u003e\n\u003cli style=\"color: inherit;\"\u003eEliminates up to $168 per year in ISP modem rental fees, with a 2-year warranty and US-based technical support included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3\u003eMulti-Gig Performance With a 2.5 Gbps Ethernet Port\u003c\/h3\u003e\n\u003cp\u003eThe B12 pairs DOCSIS 3.1 technology with a 2.5 Gbps Ethernet port, delivering true high-speed connectivity to compatible routers and computers. On supported internet plans, it can reach downstream speeds just below 2,500 Mbps and upstream speeds up to 800 Mbps. That makes it a strong match for gigabit and multi-gig cable plans from Xfinity, Cox, and Spectrum.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Low Latency and Real-Time Applications\u003c\/h3\u003e\n\u003cp\u003eThe Motorola B12 uses Active Queue Management (AQM) to reduce internet latency during high-traffic activity. This translates to smoother performance for online gaming, video conferencing, and 4K streaming, especially in homes where multiple devices are competing for bandwidth at the same time.\u003c\/p\u003e\n\u003ch3\u003eApproved for Major Cable ISPs\u003c\/h3\u003e\n\u003cp\u003eThe B12 is approved for use with Comcast Xfinity, Cox, Spectrum, RCN, and Astound. It supports the fastest residential internet plans available from these providers. Before purchasing, verify that your specific plan and region are compatible by checking your ISP's approved modem list.\u003c\/p\u003e\n\u003cdiv style=\"background: rgba(40, 167, 69, 0.08); border-left: 4px solid rgba(40, 167, 69, 0.6); padding: 16px 20px; margin: 24px 0; border-radius: 4px; color: inherit;\"\u003e\n\u003cstrong style=\"color: inherit;\"\u003eSave on Rental Fees\u003c\/strong\u003e\n\u003cp style=\"margin: 8px 0 0 0; color: inherit;\"\u003eMost cable ISPs charge $14 per month or more to rent a modem. Owning the Motorola B12 eliminates that recurring cost, saving you up to $168 per year. The modem typically pays for itself within a few months of use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eReplaces the Motorola MB8611\u003c\/h3\u003e\n\u003cp\u003eThe B12 is Motorola's direct successor to the MB8611. It carries forward the same DOCSIS 3.1 and 32 x 8 channel bonding capabilities while adding improvements in a smaller form factor. If you currently use an MB8611 or are looking at it as an option, the B12 is the updated model to consider.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDOCSIS Version:\u003c\/strong\u003e 3.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Bonding:\u003c\/strong\u003e 32 x 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Downstream Speed:\u003c\/strong\u003e Up to 2,500 Mbps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Upstream Speed:\u003c\/strong\u003e Up to 800 Mbps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEthernet Port:\u003c\/strong\u003e 1x 2.5 Gbps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.5\" x 3.5\" x 5.5\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible ISPs:\u003c\/strong\u003e Comcast Xfinity, Cox, Spectrum, RCN, Astound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 Years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport:\u003c\/strong\u003e US-based technical support via phone, chat, or email\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes the Motorola B12 have a built-in WiFi router?\u003c\/h4\u003e\n\u003cp\u003eNo. The B12 is a standalone cable modem. It needs to be paired with a separate WiFi router or mesh system to provide wireless internet coverage in your home.\u003c\/p\u003e\n\u003ch4\u003eIs the Motorola B12 compatible with my internet plan?\u003c\/h4\u003e\n\u003cp\u003eThe B12 is approved for Comcast Xfinity, Cox, Spectrum, RCN, and Astound residential plans. Check your ISP's approved device list to confirm compatibility with your specific plan and region before purchasing.\u003c\/p\u003e\n\u003ch4\u003eWhat is the difference between the Motorola B12 and the MB8611?\u003c\/h4\u003e\n\u003cp\u003eThe B12 is the direct replacement for the MB8611. Both are DOCSIS 3.1 modems with 32 x 8 channel bonding and a 2.5 Gbps Ethernet port, but the B12 features a more compact design and updated internals.\u003c\/p\u003e\n\u003ch4\u003eHow much can I save by using the Motorola B12 instead of renting?\u003c\/h4\u003e\n\u003cp\u003eMost cable ISPs charge $14 or more per month for modem rentals. Owning the B12 can save you up to $168 per year, and the modem usually pays for itself within just a few months.\u003c\/p\u003e\n\u003ch4\u003eDoes the Motorola B12 support multi-gig internet speeds?\u003c\/h4\u003e\n\u003cp\u003eYes. With its DOCSIS 3.1 technology and 2.5 Gbps Ethernet port, the B12 supports downstream speeds up to 2,500 Mbps and upstream speeds up to 800 Mbps on compatible plans.\u003c\/p\u003e\n\u003ch4\u003eWhat is Active Queue Management on the Motorola B12?\u003c\/h4\u003e\n\u003cp\u003eActive Queue Management (AQM) is a feature that reduces latency by managing how data packets are queued during periods of heavy network traffic. It helps improve performance for latency-sensitive tasks like gaming, video calls, and streaming.\u003c\/p\u003e\n\u003ch4\u003eDoes the Motorola B12 work with fiber or DSL internet?\u003c\/h4\u003e\n\u003cp\u003eNo. The B12 is a cable modem designed for use with DOCSIS-based cable internet providers only. It is not compatible with fiber, DSL, or satellite internet services.\u003c\/p\u003e","brand":"Motorola","offers":[{"title":"Default Title","offer_id":44263913193558,"sku":null,"price":132.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/9463\/2534\/files\/CopyofUntitledDesign_28.png?v=1774720976","url":"https:\/\/www.modemguides.com\/products\/motorola-b12","provider":"ModemGuides","version":"1.0","type":"link"}