Unverified50% confidenceFactExact time
根据自由空间路径损耗模型，信号强度与距离的平方成反比，每当距离翻倍信号强度约下降6dBm
1
Sources
50%
Confidence
Long-term
Relevance
8/19/2026
First Seen
Sources
Cite This Claim
Stable URI
https://kongchang.com/claim/773204API
curl https://kongchang.com/api/v1/knowledge/claims/773204MCP
get_claim(id=773204)