Re: Home wi-fi '30% slower' than fixed broadband
Encryption should have nothing to do with it as even average routers from 10 years ago had no problems running encryption at full speed. Since then they've had dedicated hardware for it such that processing power should be a non-issue.
Interference and range however are two major issues reducing speed, though I can't help but wonder what kind of speeds they're talking about. With UK average broadband speeds still lower than 10mbps, so say your average wireless speed is 7mbps (30mbps loss), that implies that most people have wireless networks that run 70% slower than they should be (wireless G doing 20-25mbps typically). That level of loss is actually something I don't see too often, unless going through quite a bit of range.
I'm going to be a little skeptical on this one until I see actual numbers.
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