>>hien nay o cac nuoc phat trien khong nhung cong nghe 3G duoc phu song rong khap ca nuoc.he thong HSPDA cung duoc phu song cuc bo o mot so thanh pho lon vi du nhu la:phap ,lodon,hoa ky...hien nay thi cac nuoc phat trien dang tiep tuc am muu dua mang wimax vao hoat dong hy vong se dat duoc nhung thang loi.se co vung phu song rong hon wifi
>>tuy vay viet nam thi chi dang chuan bi di len 3G ma thoi.dieu nay chung to nuoc ta con rat la lac hau ve cong nghe so voi nuoc ngoai.
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