most popular standard for mobile phones in the world.
GSM 900 / GSM 1800 MHz are used in most parts of the world: Europe, Asia, Australia, Middle East, Africa.
GSM 850 / GSM 1900 MHz are used in the United States, Canada, Mexico and most countries of S. America.
台灣GSM手機(不含亞太)
2G 頻段:
850/900/1800 MHz
3G頻段:
WCDMA,也叫UMTS 2100MHz
德國手機
2G 頻段:
900/1800 MHz
3G頻段:
WCDMA 2100
查全世界手機頻段
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