What is the difference between the 2011 airport extreme and the old version

As per title if any one can help. What is the difference between the 2011 airport extreme and the old version

Posted on Jun 21, 2011 2:24 PM

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8 replies

Jun 21, 2011 3:36 PM in response to Leo Raymaekers

According to the FCC reports, there is a significant difference in the power output of the g/n radios at both 2.4 and 5ghz.



Follow the following links, then select the "Report" for each.



Previous Version...

http://goo.gl/B8PIu



Current Verison Version...

http://goo.gl/3yKRl



Previous model...


freqency range mode output power dbm output power watts

2412-2462 802.11b 24.57 286.42

2412-2462 802.11g 21.56 143.22

2412-2462 802.11n(ht20) 21.17 130.92


5745-5825 802.11a 23.07 202.77

5745-5805 802.11n(ht20) 22.17 164.82

5755-5795 802.11n(ht40) 21.44 139.32



New Version...


2412-2462 802.11b 24.10 257.04

2412-2462 802.11g 24.88 307.61

2412-2462 802.11n(ht20) 24.11 257.63


5745-5825 802.11a 25.14 326.59

5745-5805 802.11n(ht20) 25.28 337.29

5755-5795 802.11n(ht40) 25.94 392.64




This should mean a fairly significant increase in range with the new model. I would imagine these changes would be consistent with the Time Capsule as well.

Jun 23, 2011 7:36 PM in response to mat1110

This article from AppleInsider says there was small internal modifications that made big advancements in range. 2.8X the power of the previous model.

As the article states, the reason Apple probably chose not to specify the changes is because it all depends on your set up. That's why any respectable router will never claim any specific distance. There are just too many variables that can't be accounted for.

I'm sure it's also more efficient, less heat, and more reliable. They've had the same body for a long time and I'm sure each revision they learn from and perfect it more and more.

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What is the difference between the 2011 airport extreme and the old version

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