灵鹊做题网what is the frequency used in Australia for the GSM network
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what is the frequency used in Australia for the GSM network
why can't GSM phones work over a distance of more than 35KM
why can't GSM phones work over a distance of more than 35KM
Frequency -------------------频率
GSM---------global system for mobile communications 【电信】全球通, 全球移动通信系统 (亦称“泛欧数字式移动通信系统”, 是一个根据欧洲电信标准协会出版的 GSM 技术规范建造的国际无线蜂窝网)
全球地位系统电话为什么不能在35公里外使用?
GSM---------global system for mobile communications 【电信】全球通, 全球移动通信系统 (亦称“泛欧数字式移动通信系统”, 是一个根据欧洲电信标准协会出版的 GSM 技术规范建造的国际无线蜂窝网)
全球地位系统电话为什么不能在35公里外使用?
what is the frequency used in Australia for the GSM network
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