請問可以跟我說那是啥意思嗎???通訊協定2HSPA/WCDMA:歐洲/亞洲:850/900/1900/2100 MHzGSM/GPRS/EDGE:850/900/1800/1900 MHz4G - LTE:亞洲:1800/2600 Mhz感謝