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Troubleshooting painfully slow wireless connection

Last response: in Wireless Networking
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May 24, 2012 3:26:18 PM

I was trying to help a friend with some issues he's having with his slow wireless connection and I don't really know where to look at this point. Here are some of the details around their setup and what's happening.

- He's using a plugin USB wireless adapter which is getting transfer speeds of about 0.2 MBPS
- When we drop an ethernet line from the wireless router to the computer we're getting transfer speeds of > 10 MBPS
- When we connect using the wireless card to someone else's wireless network the transfer speeds are approaching 10 MBPS
- He's using AVG software for anti-virus, firewall, internet security, etc. (disabling the individual software components doesn't seem to make any difference)

I'm confused because it seems as though if it were the USB wireless card it would be slow regardless of what network you connect to. Additionally, if it were the software (e.g. firewall) , I would expect it to be slow regardless of whether it's connecting via ethernet or wirelessly.

Any ideas would be appreciated.
a c 79 F Wireless
May 24, 2012 6:24:34 PM

what wireless mode is his router set to? WEP, WAP, or WAP2
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May 24, 2012 8:54:14 PM

Emerald said:
what wireless mode is his router set to? WEP, WAP, or WAP2


I believe it's WAP2.
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a c 79 F Wireless
May 25, 2012 2:13:13 AM

see if changing the Channel Width to 20Mhz under the wireless settings makes a difference
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