Sony Z770 BLACK 1204-5899 ユーザーズマニュアル

5 

Standby time GSM: Up to 340 hrs 
 
Talk time UMTS: Up to 4.5 hrs 
Standby time UMTS: Up to 350 hrs

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Networks:  
UMTS/HSDPA 2100 
GSM/GPRS 900/1800/1900

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