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September 4th, 2008 14:00

Wireless connection speed

I have a dell latitude D600 and running off of XP.

One minute my wireless connection will be running at 54 Mbps and then the next 36 Mbps. I've seen it at 48 Mbps, 18 Mbps and even 11 Mbps. It is very annoying because it keeps disconnecting my MSN and internet.

Then all of a sudden when it gets too low it will just disconnect completely from the network and then say there is no network in range. And i have to enable and disable the connection, sometimes it works other times no... reboot the computer... unplug replug the router.... and with all that sometimes it still doesnt find the network.
Other times, it will find the network, i will click connect and then after 2 minutes it will tell me it's no longer in range...
This will happen if i'm 2 inches from the router or in another room.

The router is an Infinitum Telmex.

I have a Broadcom 802.11 b/g WLAN

 

When i plus in the cable it works perfectly fine.
I have done all my windows updates and my driver updates with no success...
Anyone have any other ideas?

2 Intern

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1.7K Posts

September 4th, 2008 14:00

Are there other netwrks in range?  And do you have a 2.4GHz cordless phone (the same freq. that 802.11b/g/n uses ...)?

4 Posts

September 4th, 2008 14:00

Yes there is. The wireless light on the router is on and not flashing.  It just keeps losing signal off my laptop for no reason even if the light is still on.
There is a wireless phone 900MHz near the router.

And other times, the wireless is in range and when i click connect it just says looking for netword then informs me there are no more in range.

2 Intern

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1.7K Posts

September 4th, 2008 17:00


@aleyp58 wrote:

Yes there is. The wireless light on the router is on and not flashing.  It just keeps losing signal off my laptop for no reason even if the light is still on.
There is a wireless phone 900MHz near the router.

And other times, the wireless is in range and when i click connect it just says looking for netword then informs me there are no more in range.


How many networks can your computer see, and what channel(s) are they on?  It is entirely possible the other networks are interfereing with your network, causing your computer to be unable to connect (can't get a clear signal).

 

Also, are you sure you are connecting to the correct network?  I'd recommend connecting directly to the router with a network cable and setting the SSID to somethign you know for sure is yours.  That way, you don't have to worry if the router you are connecting to is your's or your neighbors. ;)

4 Posts

September 4th, 2008 21:00

There is only one network showing and i have made sure it is the right one. I also have logged on with the WEP key. Could it possibly be because the walls are made of cement?

4 Posts

September 5th, 2008 14:00

I will look into that. thank you

2 Intern

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1.7K Posts

September 5th, 2008 14:00

A similar situation is the customer I worked with that had stucco walls on the inside of his house.  Since stucco is usually held on using something equivalent to chickenwire (and he confirmed that was the case in his home) the walls acted like a Faraday Cage, completely blocking any signal attempting to enter or leave each room in his house.

 

If it is reinforced concrete (i.e., metal rebar running through it) then that could very well be the problem.

Reinforced concrete, in addition to blocking radio signals simply due to its density, could do the same thing as that one guy's stucco walls.  I've seen similar problems from french doors with leaded glass (good signal with door open and router in the next room; no signal if the door is then closed).

 

If it is a case of the signal being blocked by the concrete, you might need to set up an access point where you would normally be working.  That would be hard wired back to the router to get around the interference problem.

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