What is wrong with my wireless network?

Question by Matthew C: What is incorrect with my wireless network?
I have AT&T DSL, here is my present configuration. I have the AT&T modem going into the Netgear Wireless G router, from the router I have one particular wired laptop or computer, I also have two other computer systems, PS3, Wii, xbox 360, and Blackberry Curve connected wirelessly. Every single device shows to have an excellent wireless connection, but while gaming on-line are browsing the net, I Constantly lose connection, then

google blackberry maps ...