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[Ytterbium]

Can you use the NA firmware on an EU firmware device?

I assume yes, since the hardware is the same

What's the difference between the two?

Thanks

[Jheroen]

i don't know exactly what differences there are but i do know that when you use NA firmware on a router for the EU there might be unsolvable problems after the upgrade.
i use EU firmware only 

[Ytterbium]

OK, I'll got with the 2.05 beta one then, people seem to think 2.05 is OK.

[Jheroen]

including myself, it works good here 

[pcjunky]

Can you use the NA firmware on an EU firmware device?

I assume yes, since the hardware is the same

What's the difference between the two?

Thanks

I'm not an expert, but I believe the EU firmware allows 2 additional channels 12 & 13 however it also limits the wifi broadcast power(I assume because cities in Europe are usually more densely populated).

Unless there was a bug fix in the EU version that you absolutely needed I wouldn't use it in NA.

[Jheroen]

can anyone tell us what differences there are talking about the transmitpower? if the NA firmware gives a wider range to both radio's and don't destroy some of the routers parts why shouldn't we use that on B1 EU router versions?

[pcjunky]

can anyone tell us what differences there are talking about the transmitpower? if the NA firmware gives a wider range to both radio's and don't destroy some of the routers parts why shouldn't we use that on B1 EU router versions?

It's not a router hardware issue.  It has to do with the different standards and regulations in EU and NA.

I assume EU gives you 2 extra channels because of dense population so you have more chances to find an open or less crowded channel.  However a stronger transmit power (EIRP -Effective Isotropic Radiated Power) in EU could possibly cause interference with your neighbors.

I would say use a tool like inSSIDer to check wifi signals around you and make a judgement about which firmware to use. 

[Jheroen]

Okay thanks for the answer, if i understand you well then it's up to the user about which FW to use? stronger transmitpower can be helpfull if you have some signal weakness in areas of your home or office so if you think more power can solve that it's no problem to use NA firmware?

[pcjunky]

"Legally" you're only supposed to use the firmware for your location, but if you know there is no chance of you causing interference for your neighbors then it's up to you if you want to experiment to find which firmware gives you better performance.

[Ryssen]

My EU router wouldn´t even talke the NA bios when trying to program...

[FurryNutz]

There are major differences between NA and EU routers. You need to use NA for NA routers and EU for EU routers. You can't cross platform them.

[SirMaggot]

My dir- 825 came with firmware v2.01EU installed, i was not happy with that firmware, so i upgraded to
v2.0NA (via recovery menu)
Everything worked kinda good, but i had to reboot the router every week, so i decided to upgrade.
Now I'm on v2.05 and are very happy.

So, both EU and NA worked for me.

[pcjunky]

There are major differences between NA and EU routers. You need to use NA for NA routers and EU for EU routers. You can't cross platform them.

Do you have any proof to verify your statement?   

It's clear from reading this forum and the DD-WRT forum that many EU DIR-825 users have been using the NA firmware without problems.  Legally they're not supposed to use the NA firmware in EU but nothing in the hardware will prevent it from working.

[FurryNutz]

Legally there are wireless differences between NA and EU in which are set down in rules between the two continents. The Wireless uses difference frequencies which I presume try not to over lap and cause issues in the perspective countries and interfere with there perspective frequencies. Not sure if WRT follows these rules or not.

[pcjunky]

I was referring to your "There are major differences between NA and EU routers" comment.  I thought maybe you had inside info that the hardware was different.  Technically only the firmware and power adapter have to be different and I believe this is also the case with Netgear routers.

I already addressed the legal issue earlier in the thread.  DD-WRT has  NA(North America) and WW(World Wide) versions of their firmware.