[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

线缆越长信号衰减越大:常见RG58线缆约每米损耗0.5-1dB,10米线缆可损耗8-10dB,可能吃掉一半增益;线缆超过5米应选低损耗LMR-240/LMR-400线,或天线尽量靠近设备

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