Unverified85% confidenceCautionTime unknown
红外遥控（IR）需正对相机接收窗且距离通常＜5米、强光下失效，不建议作为主力方案，仅适合室内近距离自拍；预算允许优先2.4GHz射频无线，穿透性和距离远优于红外和蓝牙
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85%
Confidence
Long-term
Relevance
-
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