- the direction of the antenna is the head in the desired direction
-. The signal gain of antenna height
-. Can send a wave in the district wide because of the wave has very high frequency
-. The network is highly reliable in use!- safe from natural disasters such as flood, earthquake
- disturbance caused by human up less, such as accidents, construction. Fire
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การแปล กรุณารอสักครู่..
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