找回密码
 立即注册
frequencyMHz频段频率 | 邮电通讯系统 2022-08-02 58 0star收藏 版权: . 保留作者信息 . 禁止商业使用 . 禁止修改作品
一般说来,GSM900的办公频段为890~960MHz,其间上行频率为890~915MHz,下行频率为935~960MHz,也称PGSM(基本GSM);EGSM900(拓宽GSM)频段上行频率为880~890MHz,下行频率为925~935MHz

(Generally speaking, the office frequency band of GSM900 is 890~960MHz, the uplink frequency is 890~915MHz, and the downlink frequency is 935~960MHz, also known as PGSM (basic GSM); EGSM900 (extended GSM) frequency band The frequency is 925~935MHz)

[下载]10050437052.rar




上一篇:实验04_路由器的升级
下一篇:GSM基本原理2