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    GSM, CDMA, DAMPS,   
     .       
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 7 )   ,     . 
     5-15   .  
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       , 
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.<br>
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 . (    , 1  7 .) 
         
,   ,      . 
           
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.    (AMPS,NMT-450)    
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 ,     . (GSM 
  , BELINE, MTC, ).