Wireless drop outs

Hi I have a Rangemax DGND3300v2 and I'm having serious wifi problems with every apple device in the house - iPod touch (x2), iPad and iPhone5. None of these devices can sustain a wifi connection. :mad:

I also have Anddroid tablet and laptops which have no problem with wifi - its just apple devices. These devices seem to work ok on other wifi networks outside the home.

I've read loads of stuff on apple wifi issues but can't believe this is just an apple issue as the devices work ok on other wifi networks.

Is there anything I can do with the netgear router to try and improve wifi connectivity for these devices :confused:?

Thanks for your help
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