[請問] 類似天線的東西
最近發現鄰居鐵窗上裝了類似天線的東西不確定是什麼
加上最近手機訊號變差,想請大家幫忙看一下
google以圖搜圖只找到鐵窗XD
http://imgur.com/a/0JYtt
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