On 03/10/2013 06:11 PM, Daniel Golle wrote: > On 03/10/2013 06:56 PM, Matthias Schiffer wrote: >> By the way, this is not entirely correct... a lot of the TP-Link routers >> I've bought in Germany have the regdomain set to US in the art >> partitition (the stock firmware gives me a list with many Countries and >> allows me to set it to Germany), but when I flash OpenWRT onto it, I'm >> stuck with the US domain, and I have to recompile the image with >> CONFIG_ATH_USER_REGD to be compliant with the law. > > Interesting.... Looks like the EEPROM part of TP-LINK routers is somehow > neglected... > However, if I got it right, you only need to recompile the firmware if you > want > to use channel 12 and 13. To restrict your TX-power to 100mW (instead of 500mW > allowed in FCC-land) you can just set the country code in UCI. > So by default, this just *prevents* you from using channels you are legally > allowed to use in your country. Using the binary from downloads.openwrt.org > won't give you access to bands which are restricted by law, right? > Not that this is any better, but chances to get into trouble for accidentally > using reserved frequencies are much higher than for just using too high > TX-power... >
Not sure about that, it's been a few months since I last tested this. If I remember correctly, I wasn't able to set the regdomain to anything but US with the default OpenWRT image, thus allowing me to use channel 14, and using too high tx power by default. Matthias
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