有灌電器的戶外數位天線? - 家電

By Poppy
at 2016-03-21T13:59
at 2016-03-21T13:59
Table of Contents
請問一下有灌電器的數位天線,
如果覺得訊號ok,灌電器是不是不上電或不接也可以呢?
還是一定要上電?
看了一款增益有到20dB是不是已經算不錯了?
謝謝!
--
如果覺得訊號ok,灌電器是不是不上電或不接也可以呢?
還是一定要上電?
看了一款增益有到20dB是不是已經算不錯了?
謝謝!
--
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家電
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at 2016-03-22T12:00
at 2016-03-22T12:00

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at 2016-03-24T12:12
at 2016-03-24T12:12
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