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 Post subject: 5GHz Wireless-N Compatibility
 Post Posted: Wed Mar 25, 2009 9:10 pm 
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Joined: Fri Feb 27, 2009 3:20 pm
Posts: 12
Can one assume that a laptop's Intel WiFi Link 5100 adapter can operate with the 5GHz band of Netgear's RangeMax N or D-Link's Xtreme N dual band routers? Or are 5GHz implementations proprietary?


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 Post subject: Re: 5GHz Wireless-N Compatibility
 Post Posted: Thu Mar 26, 2009 1:18 pm 
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Joined: Sun Feb 04, 2007 11:59 am
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My completely uneducated answer without looking at anything but the limited database in my head is yes. <g>

We'll find out if I'm right when Scott gets around to this.

Mike.


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 Post subject: Re: 5GHz Wireless-N Compatibility
 Post Posted: Thu Mar 26, 2009 2:03 pm 
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The The Intel WiFi Link 5000 family adapters have Dual-Band, Quad-Mode functionality, which means they support 802.11a/b/g and Draft-N in both the 2.4GHz and 5GHz bands.

In fact to get those higher levels of performance you need to use the 5GHz band, which supports channel bonding, where two channels are used simultaneously for higher bandwidth. Channel bonding is only supported in the 5GHz band on Intel (and most other) adapters because there are only 3 non-overlapping channels in the 2.4GHz band. This is sometimes called "Friendly Neighbor Assurance" since it prevents one from essentially taking over most of the 2.4GHz band.

BTW, I'd recommend the WiFi Link 5300, which has a 3x3:3 (transmit antennas x recieve antennas : spatial streams) configuration supporting up to 450Mbps, vs. the WiFi Link 5100, which has a 1x2:2 configuration supporting up to 300Mbps. Of course if the access point doesn't support 3x3:2 as well, then that won't really matter. <g> Scott.


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