【科技一點通】電話熱線節目
5G network wireless systems Source: Getty images
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住多層大廈遇上網速過慢怎辦？搬近電訊公司發射站，部機是否會行得越快？轉換【路由器】需要通知電訊公司嗎？請聽專家馮家杰先生的講解。
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