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Q.

What type of em waves do cell phones use?

Tags: health, mobiles, cell phones
Asked by tapan sinha, 19 Feb '13 12:38 pm
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Answers (2)

 
1.

All cellular phone networks worldwide utilize a portion of the radio frequency spectrum designated as Ultra High Frequency, or "UHF", for the transmission and reception of their signals. The UHF band is also shared with Television, Wi-Fi and Bluetooth transmission. The cellular frequencies are the sets of frequency ranges within the UHF band that have been allocated for cellular phone use.
Answered by Quest, 19 Feb '13 05:17 pm

 
  
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2.

All cellular phone networks worldwide utilize a portion of the radio frequency spectrum designated as Ultra High Frequency, or "UHF", for the transmission and reception of their signals. The UHF band is also shared with Television, Wi-Fi and Bluetooth transmission. The cellular frequencies are the sets of frequency ranges within the UHF band that have been allocated for cellular phone use.
Answered by iqbal seth, 19 Feb '13 12:39 pm

 
  
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