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Motorola SBG900

details: SURFboard SBG900 Wireless Cable Modem Gateway
hardware type: Cable Modem
date added: 2006-01-28
updated: 2020-04-11
The SBG900 offers the convenience of wireless networking (802.11g access point) combined with a DOCSIS 2.0 cable modem in one device.
 SBG900 Features
 Availability: discontinued
 Street price: $105
 LAN / WAN Connectivity
 WAN throughput: 38 Mbps
 WAN ports: 1
 WAN port(s) type: Coax F-connector
 LAN ports: 1
 LAN ports type: 10/100 Base-TX (RJ-45)
 USB port(s): 1
 Routing Protocols: RIP v2 (dynamic routing, RFC1389)
 Cable Modem
 DOCSIS compliance: DOCSIS 2.0
 Maximum Wireless Speed: 54 Mbps
 WiFi standards supported: 802.11b (Wi-Fi 1)
802.11g (Wi-Fi 3)
 Wifi security/authentication: WEP
 WiFi modes: Access point
 internal antenna(s): 1
 external antenna(s): 1
 SPI firewall: yes
 DoS / DDoS protection: yes
 Device Management
 Default IP address:
 Default admin username: admin
 Default admin password: motorola
 Administration: Web-based (LAN)
Remote centralized management

Please use the Add Comment function below to review devices you have used (please be descriptive). If you find an error in our database, or have additional information about the product, please
  User Reviews/Comments:
by Zyndram - 2008-01-19 23:57
Great product, cable modem-router-gateway, I just love it!

What a great and powerful features:

An integrated high-speed SURFboard cable modem for continuous broadband access to the Internet and
other online services, with much faster data transfer than traditional dial-up or ISDN modems

A single broadband connection for up to 253 computers to surf the web; all computers on the LAN
communicate as if they were connected to the same physical network

An IEEE 802.11g wireless access point to enable laptop users to remain connected while moving around the
home or small office or to connect desktop computers without installing network wiring. Depending on
distance, wireless connection speeds can match that of Ethernet.

A USB connection for a single PC

A dual-purpose 10/100Base-T Ethernet uplink port supporting half- or full-duplex connections and Auto-MDIX

Routing for a wireless LAN or a wired Ethernet LAN connected using a hub or switch

A built-in DHCP server to easily configure a combined wired and/or wireless Class C private LAN

An advanced firewall supporting stateful-inspection, intrusion detection, DMZ, denial-of-service attack
prevention, and Network Address Translation (NAT).

Network Address Translation (NAT) provides security because the IP addresses of SBG900 LAN computers
are not visible on the Internet.

Virtual private network (VPN) pass-through operation supporting IPSec, PPTP, or L2TP to securely connect
remote computers over the Internet

Port Forwarding to configure ports to run applications having special network requirements

works for me, Thanks Motorola!
by dov - 2008-10-04 17:35
This modem is indeed simple enough to set up, and it works, much of the time anyway. It does however have some distinct problems.

The first major problem that bothered me is that this modem cannot automatically sense new hardware if you unplug one computer from the ethernet connection and plug in another. You will have no internet until you pull the power from the modem for a couple of minutes and it forgets it's settings.

The next problem confused me for a long time. I reset the admin password for a bit of security, but found after a while that I could no longer log in. I thought I'd forgotten the password, but then read a post saying that it forgets passwords and will refuse any password after that. True enough, I manually reset it to factory settings and reset the password. Great. Then the modem forgot that password.

The wifi 'router' is abysmal. Forget it. The signal drops in and out and it will often refuse to negotiate a connection. Resettig to factory settings and then doing the security again from scrath seems to fix that a bit.
by anonymous - 2009-09-18 10:05
i have that same problem now. How did you "manually reset the password to factory settings" i have tried the pin hole in the back to do a hard reset a few times and i still can not log in.
by anonymous - 2009-11-18 22:36
I just tried the new version of Safari and it works perfectly fine... There must be something with internet explorer(ie) that's keeping me from loging in to my modem (motorola sbg900)
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