Question about Arris SURFboard SBG900 802.11g/b (motosbg900) Wireless Access Point

1 Answer

Dropping wireless connection to laptops

Howdy! I have the SBG900 and use it wireless to a HP and Toshiba laptop, which are generally located not more than 30 straight line feet from the modem. Multiple times during the day or night, with my wife sitting side by side on the sofa, we'll lose wireless network connectivity, with a "red X" on the network icon. Some times when this has happened, I have gone to the office to look at the modem and all the lights will be correctly lit. It seems we're either connected "excellent at 54mbps or its gone and searching, no in-between. In an hour,this may occur 25 or 30 times. The unit is about 5 years old. This occurs even after doing a reset on the unit.
I have a Comcast tech coming out today to check their end of it. Is it possible that the modem is losing connectivity with the ISP and this is causing the problem, or is this a modem problem?
Many times, I'll have an excellent wireless connection, and Explorer will churn away trying to make a connection, say to my remote work network (which should not be overloaded) or to open, say a CNN page. This can take up to 5 minutes!
We're at the end of about 250 feet of upgraded, larger coax cable that COMCAST put in.
Any helpful hints appreciated. Don't understand why my wireless connection drops in and out like this inside the house. If I should upgrade to a newer model router/modem, what would you advise? Are two separate units better than a combo unit? We do not hard-wire an ethernet connection, only wireless due to the room configurations.
Thanks a bunch!
"Fig" Newton

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You should be able to log into your modem using the IP address
192.168.100.1
to check the levels coming to the modem from your cable provider. Typically the downstream level should be in between -12 to +12dB with an SNR of 33 or higher. Upstream level should be in between 35 and 50. 35 being good and 50 being less desirable. SNR on upstream should be 23 or higher.
If the levels are anywhere within these specs you should have no problems with the modem.
My suggestion would be to log into your router and change the channel # that your router is broadcasting. This should be in between Ch. 1 to Ch. 11 Most routers are default to 6 9 or 11 so if I'm having any issues I will use Ch 7 or 4. (I've seen some 900MHz cordless phones mess with some channels.)
If that doesn't work try another ethernet cable between the modem and router.
Good Luck

Posted on Oct 09, 2009

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Posted on Jan 02, 2017

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How to turn on the wireless switch on the laptop or notebook

If you have issues in finding the wireless switch on the laptop to turn the wireless on you can refer the below list
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