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Same for me, 140402 has run more stably than the prior versions, however, issues persist, at time I still am forced to reboot the router due to loss of access to the internet, some computers continue...

I've loaded the 140307 beta firmware on my Archer C7 v1, I'm actually having more 5GHz connectivity issues than I had under 140127 (using EW-7822UAC as the client), also, while on a voip call and web...

For 2.4Ghz or 5Ghz? Using what sort of equipment to measure signal strength?