Ban chon xong mot mau 4G CPE, chuan bi xuat sang Dong Nam A. Khach Viet noi 'song day nhung mang cham', khach Indo noi 'ngoai o mat song han'. Khong phai thiet bi hong, la no thieu bang tan chu luc cua nha mang dia phuong - thieu mot Band, toc do tut han mot nuc; thieu bang tan thap vung que, ngoai o mat ket noi.
5 nuoc DNA: bang tan 4G chu luc (chu yeu FDD)
- Viet Nam: B1(2100)/B3(1800)/B5(850)/B7(2600)/B8(900); phu nong thon nho B28(700).
- Thai Lan: B1/B3/B5/B7/B8/B28(700)/B40(2300 TDD).
- Indonesia: B1/B3/B5/B8/B40(2300)/B41(2500 TDD)/B28(700).
- Malaysia: B1/B3/B5/B7/B8/B20(800)/B28(700)/B40/B41.
- Philippines: B1/B3/B5/B7/B28(700)/B41(2500 TDD).
Thieu bang tan thi sao
- Thieu B1/B3/B8 (FDD loi) -> thieu dung luong noi do, gio cao diem bi giam toc.
- Thieu B28(700MHz) tan so thap -> kem xuyen tuong vung que/trong nha, song day nhung khong len mang.
- Thieu TDD B40/B41 -> khong gan duoc carrier TDD toc do cao dia phuong, toc do dinh bi ket.
Checklist mua hang (tich tung muc truoc khi dat)
- Viet Nam/Philippines: bat buoc co B1/B3/B5/B7/B8 + B28.
- Indonesia/Malaysia/Thai: them B40/B41 (TDD) vao cong thuc tren.
- Ban toan vung: it nhat phu B1/B3/B5/B7/B8/B28/B40/B41.
- Yeu cau nha cung cap anh chup thuc te gan mang nha mang dia phuong - dung chi xem bang thong so.
Dung mua 'ho tro 4G', hay mua 'ho tro bang tan nao'. Dung bang tan, cung chip chay gap doi trai nghiem.