Unstable wifi when using my Samsung Galaxy S3. Any...

I keep seeing the wifi disconnect and reconnect. Anyone else see this?
I have no idea if the fault lies with the phone, hub, or a combination of both, just want to know if others have seen similar.
Thanks.

Same here with my s3 and the hh3, was random when it happened, might be ok for hours and then suddenly start dropping the wifi and reconnecting instantly.
Over on the XDA forums there was some tips and tricks, like turning off the power saving on the wifi on the s3 which is enabled by default, didn't help for me though and it seemed to happen more when my phone was running ics, updated to the official uk release of jellybean and it was alot better but still happened occasionally.
I had been thinking of ditching the hh3 for a while as it lacked features I wanted and earlier this week I installed a netgear wndr4500, great router by the way and I have no idea if it's a coincidence or not but I've never had a wifi problem on my s3 since.

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