DIR-628 (D-Link Router)

Hey,

So I just bought a D-Link RangeBooster N Dual Band router. It works for the ethernet, but the wireless does not.
There are three computers that need this network: Macbook, Macbook Pro and a PC. The PC can access the wireless just fine, but the Apples have an issue. For some reason when it tries to connect using AirPort, it accepts the password and thinks for a while before displaying a message regarding the connection timeout. So in the end it doesn't work.
I read somewhere that I should disable the "N" features of the router (and I have no idea how that is done or if that would work). Any ideas? I really don't know how to use the D-Link configuration settings.

Thanks in advance.

What encryption are you using? WEP? WPA? WPA2?

Hey!
Okay it says - auto (WPA or WPA2)

so... i've been in communication with d-link through email
I've been trying various suggestions they offered, of which one worked:
taking off all security features. now the network is accessible for both apples. however, I still need some sort of security, and am trying to get help still.