Unverified82% confidenceDecision RuleTime unknown
购买前必须确认发射端与已有呼叫按钮/门铃的频率与编码方式匹配，多数国产按钮用433MHz但编码芯片（EV1527/PT2262）不同则无法配对
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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