IPhone 4/iPad (Gen 1) randomly losing wireless connection

Hi
I have an iPad and iPhone 4 both with latest software (4.3.4) - over the last week or so I have noticed that my wireless connection on both devices seems to randomly drop out and I have to turn wifi off then on again from the device and I'm connected again (until it drops out again) - I would probably do this at least 5 times a day and it's getting annoying
As well as turning wifi off and on i have also tried the following, but the connection still keeps dropping:
reset network settings within settings
renew lease within wifi networks settings
turned off bluetooth
Changed to just WPA only and WPA2 only wireless security protocols (instead of WPA2/WPA combined) through modem
Rebooted modem
Changed wireless channel through modem
Now just for the record, before this issue started I ALWAYS had stable connection on both devices, I have not changed any connections or hardware on my network since this problem began - also, I know there is absolutely nothing wrong with my wireless signal being broadcast from my modem because I have a Macbook Pro (2010) and a Macbook Air (recently released model) that both connect wirelesly and the connection to both are rock solid (so when my IOS devices are not connecting my Macbooks are still connected and online without a hitch)
Also, the wireless icon on both devices show full strength when they are not connecting
Has any of the Apple gurus out there had this issue and been able to resolve it? If you could let me know how you achieved this I would be eternally grateful
Thanks
Regards
VFP

Presumably you have a modem/router combination?
Since you have two devices exhibiting this problem (which they did not previously have) this points to your router having developed a problem despite the fact that some other devices still seem to work with it. You, in fact, do NOT know that there is nothing wrong with your router because some devices can still connect to it. They should all connect to it if it were working correctly.
Test your iPad and iPhone on some other networks to eliminate the small probability that both have failed at exactly the same time. If they function well on other networks then replace your router (as an alternative you could try doing a factory reset of your router to see if this fixes the problem - see your router documentation to see how to do a reset. If this is a router/modem combo you should check with your ISP)

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Hi rtaw,
Welcome to the HP Forums!
I understand that you cannot scan to computer, and that you are losing wireless connectivity, with your HP Officejet pro 8600 Plus. I am happy to help you with this issue!
Please take a look through this wireless guide. Printer Does Not Maintain Wireless Connection.
For the scanning, please see this guide. A 'Connection Error' or 'No Computer Detected' Error Message Displays during Scanning.
Hope this information helps you, and let me know if you have any more issues!
RnRMusicMan
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" to say “Thanks” for helping!

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Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Gemini02
I work on behalf of HP

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