Motorola SurfBoard SB6121 is a popular option on the lower end of the price range. It's in the top 3 bestselling modems and has dozens of popular alternatives in the same price range, such as Motorola Surfboard SB6141 or Asus DSL-N10. Motorola SurfBoard SB6121 is $34.84 cheaper than the average modem ($84.79).

As part of Motorola's DOCSIS 3.0 Ultra-Broadband family of products, the SB6121 includes an enhanced tuner that supports up to a 1 GHz downstream input, which allows operators to increase the frequency spectrum for deployment of new high-value services--such as bandwidth on-demand, commercial services, interactive gaming, and IPTV. As part of Motorola's DOCSIS 3.0 Ultra-Broadband family of products, the SB6121 includes an enhanced tuner that supports up to a 1 GHz downstream input, which allows operators to increase the frequency spectrum for deployment of new high-value services--such as bandwidth on-demand, commercial services, interactive gaming, and IPTV. Motorola MB7621, 24x8 Cable Modem This cable modem is a great choice for Internet speeds up to the new 400 Mbps and 300 Mbps services available from Comcast XFINITY® and by other service providers. The MB7621 provides high-speed Internet for a computer, router, HDTV, game station, or streaming media device. Mar 09, 2018 · Technically the SB6121 should be good for up to 170mbps-ish in perfect conditions. Technically. 100mbps is more realistic with "good" conditions. Once an ISP decides to stop supporting a device, they can make configuration changes that effectively neuter your modem to force you to buy a new one. Motorola Inc, 101 Tournament Drive, Horsham, PA 19044, 1-215-323-1000, declares that the SB6120 SURFboard® DOCSIS® 3.0 Cable Modem complies with 47 CFR Parts 2 and 15 of the FCC rules as a Class B digital device..

Welcome to Motorola. Shop our Android smartphones, including the new razr, edge+, moto g stylus, moto g power, and more. All mobile phones are designed and manufactured by/for Motorola Mobility LLC, a wholly owned subsidiary of Lenovo.

Harnessing the power of DOCSIS 3.0, the SB6121 enables channel bonding of up to four downstream channels and four upstream channels - so you can offer your customers advanced multimedia services. Strengthen your broadband leadership. Count on the Motorola SB6121 to help you deliver ultra-broadband services to your premium customers.

The ARRIS / Surfboard SB6121 has the following ports available on the back of the modem. ETHERNET - Connects to the Ethernet port on your computer; CABLE - Connects to the cable wall outlet; POWER - Connects the cable modem to the power adapter : MAC Address. Click to enlarge.

Connecting to the Internet • Renewing the IP Address for Windows 7, Vista, or XP SB6121 DOCSIS 3.0® Cable Modem • Installation Guide Uncontrolled Document Renewing the IP Address Page 20: Monitoring Your Modem Use the SB6121 Modem Configuration Manager to monitor the various configuration settings and operational status of your cable modem. the SB6121 can be deployed without service interruption. Backwards compatible to DOCSIS 1.0, 1.1 and 2.0, the SB6121 also supports both IPv4 and IPv6, Advanced Encryption Services, and all other DOCSIS 3.0 standards. As part of Motorola DOCSIS 3.0 Ultra-Broadband family of products, the SB6121 includes an enhanced