GSM World Coverage Map- GSM Country List by frequency bands
經安全檢測,此網站為安全網站,請放心前往原始網址!
GSM World Coverage Map- GSM Country List by frequency bands
4G LTE or WiMAX mobile GSM-900 and GSM-1800 used in most parts of the world - in Europe Asia Middle East Africa. GSM-850 and GSM-1900 used in the United States ...