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3G的三种制式哪个辐射最小?
提问者:传输   |  提问时间:2009-5-15 09:44
3G的三种制式哪个辐射最小?
要看3种网络手机的最大发射功率的限制值,
TD手机最大发射功率限制是0.25W,G网手机是1-2W之间;
TD手机语音业务下,由于是时分的原理,在一个时间段中也仅有不到1/7的时间是在发射电磁波;数据业务最大也不会超过5/7的时间;
回答时间:2009-5-16 01:59
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