上传者: 43934844
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上传时间: 2022-06-29 14:05:15
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文件大小: 55KB
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文件类型: DOC
移动通信3G频段 "中国电信 "1920 ~ 1935 MHz(15M)" "CDMA2000 " " " "2110 ~ 2125 MHz(15M)" "中国移动 "1880 ~ 1900 MHz(20M)" "TD-SCDMA " " " "2010 ~ 2025 MHz(15M)" "中国联通 "1940 ~ 1955 MHz(15M)" "WCDMA " " " "2130 ~ 2145 MHz(15M)" 移动通信2G频段(GSM采用TDMA方式) "GSM900 "上行: 890 ~ 915 MHz(25M " "200kHz/频道 ") " "1~124 " " " "下行: 935 ~ 960 MHz(25M " " ") " "GSM1800或DCS180"上行:1710 ~ 1785 " "0 "MHz(75M) " "200kHz/频道 " " "512~885 " " " "下行:1805 ~ 1880 " " "MHz(75M) " "中国移动GSM900 "上行: 890 ~ 909 MHz(19M " "1~94 ") " " "下行: 935 ~ 954