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2.4 or 5 GHZ

i am trying to understand what it means to me...

the old days we had  AM  or FM  radio..   FM  clearly was the better choice for hi fidelity sound....

if it the same here.
are either preferable...  2.4 Vs 5.0  
if i am buying a higher end home router... will it be a dual band ?  and that is just the way it is....  ( any  stereo picks up both fM  and AM  )   so it is not really a choice. it is just comes that way.
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intelogent
Asked:
intelogent
3 Solutions
 
Lior KarasentiCommented:
The GHz range of a wireless radio is only partially related to the speed of a wireless network. For example, 802.11a wireless operates at 5GHz and 802.11g at 2.4GHz, but both support the same maximum data rate of 54 Mbps. However, newer 802.11n routers have the capability of simultaneous dual-band operation on both 5GHz and 2.4GHz ranges, allowing clients to connect on different bands for more flexibility and less interference.

Advantages of 5GHz:
The 5GHz band is less likely to be congested. The 2.4GHz frequency range is much more prone to interference, as it is commonly used by other wireless networks in the area, as well as cordless phones, garage door openers and other home appliances and consumer products.

http://www.speedguide.net/faq_in_q.php?qid=340

Disadvantages of 5GHz:
In general, the higher the frequency of a wireless signal, the shorter its range. Thus, 2.4GHz networks cover a substantially larger range than 5GHz wireless networks. In particular, the higher frequency wireless signals of 5GHz networks do not penetrate solid objects nearly as well as 2.4GHz signals, limiting their reach inside homes.

The Bottom Line:
5GHz and 2.4GHz are simply different frequencies, each with its advantages and disadvantages. To get the best of both worlds, some recent routers have the capability for dual-band operation in both ranges simultaneously.
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Miguel Angel Perez MuñozCommented:
On first days, 5GHz has more bandwidth as 2,4GHz and highest data transfers runs on 5GHz frequencies. But today there is no difference on bandwidth. Consider attenuation effect over high frequencies, 5GHz has less range that 2,4GHz operating at same output power.
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Darr247Commented:
Why is this posted in the microsoft word topic area?
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intelogentAuthor Commented:
i did not mean to post it here....

and it i sthe second time it happened
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intelogentAuthor Commented:
really good answers....

now please look in the hardware forum for taking it one level up
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