Neu ban dung pc thi nen dung mang co day, tuy 200k/thang nhung dung on dinh, neu co dk ban nen lap han cap quang, toc do nhanh, k bi lag, con dcom cua viettell hay ezcom cua vina con phu thuoc vao cho nao co song, ma song yeu thi vao web thoi cx se rat lag, nhung loai usb 3g nay chi nen dung khj ban xai laptop, phai di nhieu. Day la minh chi gop y thoi