Wired connection thru TC FAST. Wireless connection VERY SLOW.

I have a Time Capsule (purchased in the Spring, so it 's the generation before the one that's out now), and 4 Airport Expresses. I'm also using a MegaPlug 85 Mbps Ethernet adapter kit. Whenever I turn off the airport card on my laptop and plug directly into either the MegaPlug or the Time Capsule, my connection is the fastest that it's ever been. Pages come up with barely any perceptible wait. When I unplug and use the Airport to connect over my wireless network, it's much, much slower.
I used the assistant tools to configure the Time Capsule and the Airport expresses. Are there any settings that I should manually change to improve my speed?
Is it possible that I have too many devices on the network? Currently, I have 3 Tivos that all use wireless to download programming information. We have an XBox connected to one Airport Express. Then we have 5 laptops -- 3 or 4 of which may be in use at any one time.
Also, our Internet provider is Comcast Cable in New Jersey.
Thanks for your help!
-Sue

silirap wrote:
I have a Time Capsule (purchased in the Spring, so it 's the generation before the one that's out now), and 4 Airport Expresses. I'm also using a MegaPlug 85 Mbps Ethernet adapter kit. Whenever I turn off the airport card on my laptop and plug directly into either the MegaPlug or the Time Capsule, my connection is the fastest that it's ever been. Pages come up with barely any perceptible wait. When I unplug and use the Airport to connect over my wireless network, it's much, much slower.
I used the assistant tools to configure the Time Capsule and the Airport expresses. Are there any settings that I should manually change to improve my speed?
Is it possible that I have too many devices on the network? Currently, I have 3 Tivos that all use wireless to download programming information. We have an XBox connected to one Airport Express. Then we have 5 laptops -- 3 or 4 of which may be in use at any one time.
That many AirPort Express units can cut your network performance all by themselves. Only one of them can transmit at a time. In addition, the extra relaying of traffic that the AirPort nodes have to pass among themselves cuts into the available bandwidth.
What model AirPort Express(s) do you have ("N"-capable or "pre-N")? That can make a difference in how you configure your network. Can you identify Wi-Fi band (B, G, or N) capabilities of each of your Wi-Fi clients? That might also make a difference in your options for improving your network. Are any of your non-laptop Wi-Fi clients close enough to an Wi-Fi node that you could connect them with an Ethernet cable?

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