我国陆地蜂窝数字移动通讯网GSM通讯系统选用900MHz与1800MHz频段:GSM900MHz频段为：890~915(移动台发,基站收),935~960(基站发,移动台收);DCS1800MHz频段为：1710~1785(移动台发,基站收),1805~1880(基站发,移动台收

(my country's terrestrial cellular digital mobile communication network GSM communication system selects 900MHz and 1800MHz frequency bands: GSM900MHz frequency band is: 890~915 (mobile station sends, base station receives), 935~960 (base station sends, mobile station receives); DCS1800MHz frequency band is: 1710~1785 (transmitted by mobile station, received by base station), 1805~1880 (transmitted by base station, received by mobile station))

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我国陆地蜂窝数字移动通讯网GSM通讯系统选用900MHz与1800MHz频段:GSM900MHz频段为：890~915(移动台发,基站收),935~960(基站发,移动台收);DCS1800MHz频段为：1710~1785(移动台发,基站收),1805~1880(基站发,移动台收

(my country's terrestrial cellular digital mobile communication network GSM communication system selects 900MHz and 1800MHz frequency bands: GSM900MHz frequency band is: 890~915 (mobile station sends, base station receives), 935~960 (base station sends, mobile station receives); DCS1800MHz frequency band is: 1710~1785 (transmitted by mobile station, received by base station), 1805~1880 (transmitted by base station, received by mobile station))

[下载]10020178922.rar

2022-8-2 10:02 上传

文件大小: 270 KB
下载次数: 0