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OpenDNS is trivially easy to avoid - quite literally a child could figure out how to do it. I wouldn't bother.
Instead I'd look for something service based. A bit like the VPN services that are nonsense-du-jour, but one that includes the sort of censorship might wish for implemented at/by the service provider their end. Or an ISP that offers such (don't BT offer it?)
Some time ago there were routers that integrated with services such as SurfControl (long gone - they were bought out by someone - IIRC it was WebSense) which gives a bit of a hybrid of both. The latter worked by having a "agent" running on or integrated into your router which was in more or less constant communication with the service provider to keep the content filters up to date.
Content filtering is surprisingly difficult to do - in enterprise environments we have to spend some pretty serious amounts of money on it, and not just for the kit to run it on to facilitate a large user base. Of course, anything is better than nothing, but I wouldn't expect the same level of protection from a 50 quid router that I get from a solution costing thousands.
Wi-Fi transmit power is limited by law and most kit is, and always has been, at or very close to the permitted max. What differences there are, are not worth worrying about unless you are a radio hamm.
In any case, there's no such thing as "Wi-Fi signal" as most people conceive it. Wi-Fi is a two-way radio "conversation" like walkie-talkies, not a one way radio "lecture" like television. Any improvements in coverage achieved by a "much better router" would need to be paired with "much better clients" (phones, tablets, laptops, etc.)
The best way to improve Wi-Fi coverage is to put up additional Access Points nearer to your clients rather than look for some mythical uber-router with "much better signal." On large sites, it's not for nothing we put up hundreds of AP's. We've discussed the topic many times here over the years and doubtless we'll be happy to do so again if you want to get into the details of it. |
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