[問題] 低頻影響地下室收訊?
228連假去朋友家串門子
住在很高級戒備森嚴的社區
出入都要磁扣
車子停到地下室後，沒磁扣感應無法進電梯間
想打電話叫朋友下來，竟然手機完全沒訊號
地下室又超大，就這樣被困在那裏
超糗，走一走還差點迷路
好險有遇到其他住戶回來停車，跟他借電話才脫困
才發現遠傳居然有訊號
所以想問一下，
這跟遠傳用的是700低頻段有關係嗎? 因為印象中低頻就是穿透力會比較好?
還是他們會特別針對地下室去裝個強波器之類?
話說戒備搞得這麼森嚴，也是個困擾阿!
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