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Old 3rd June 2006   #1 (permalink)
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Are these illegal?

http://cgi.ebay.co.uk/Amplifier-802-...QQcmdZViewItem

I've also seen ones with 1watt output too, are they illegal?
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Old 3rd June 2006   #2 (permalink)
 
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It says it bosts the signal. If thats all it does I see no reason why it should be illegal.
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Old 3rd June 2006   #3 (permalink)
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Yes they are very much illegal.

The 2.4GHz range is very specific in what is liscence free and even 0.5 watts is way way over the restrictions.

You need to apply for a liscence to use any wavelengths or to increase the power of a wifi range in a specific area.
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Old 3rd June 2006   #4 (permalink)
 
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Looks like I was wrong. Well I learned something new
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Old 3rd June 2006   #5 (permalink)
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Yeah I thought so, standard output power on my router is 100mW I think, a 1Watt booster would give a pretty decent range though
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Old 7th June 2006   #6 (permalink)
 
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100mW (20dBi) is the legal limit for 2.4GHz band. Anything above that could land you in hot water if you got caught. These units have been available in the US (where they are legal I understand) for years.

When I was involved in this kind of thing - it's been a few years now - we used a company called Hyperlink Technologies in the US. www.hyperlinktech.com. There may be competitors in the UK now, but at the time this was the most cost effective way of getting hold of aerials, feeders, etc

BTW, I've got a couple of aerials still in their original boxes if you are thinking of doing long range links. By all means drop me a PM if you are looking to buy anything of the sort.

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Old 30th June 2006   #7 (permalink)
 
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what sort of licence would you need for stronger capacities? do they cost much?
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Old 30th June 2006   #8 (permalink)
 
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I'd be very suprised if you could get a licence to increase the power within an allocated band.
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Old 30th June 2006   #9 (permalink)
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You cannot increase power in any current ISM (Instrumentation, Scientific and Medical) band.
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Old 16th August 2006   #10 (permalink)
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Are their aerial restrictions?

The reason I ask is that a simple directional aerial would give 6db of gain which is the quivalent of increasing the power to one watt or so.
Ideal if you have to send the signal across a specific path between two buildings.
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Old 16th August 2006   #11 (permalink)
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The ISM restrictions are on total output power. A Planar 6dBI aerial and a standard PCMCIA/Mini-PCI card hits the top limit of the allowed transmissions.

If you have a specific query of your combination of kit and aerial it's best to contact the RA (Radio Authority) who can come and check.

Note: The only exception that I know of on the Total Output Power ruling is in the Wireless Backhaul range (5.8GHz) but that is licensed per user connected, minimum 500 at £1.00/user/year.
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Old 28th September 2006   #12 (permalink)
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How long is it until ISPs start providing entire neighbourhoods with wifi access?
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Old 28th September 2006   #13 (permalink)
 
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Quote:
Originally Posted by Equiphase View Post
How long is it until ISPs start providing entire neighbourhoods with wifi access?
You can already get it here in Newark... http://www.jhcs.com/
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Old 28th September 2006   #14 (permalink)
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ohh, that's nice!!

as far as I'm aware, there's nothing like that in Edinburgh. other than the *Bucks and McDonalds HOTSPOTS (yuck).


Stu
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