覺得 AirTag 藍牙距離應該不只10公尺 - iOS
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By Joseph
at 2021-07-06T23:26
at 2021-07-06T23:26
Table of Contents
....應該有100公尺我猜
今天到南部某醫院
把機車放在他們提供的收費停車場
故意把AirTag留在車廂裡
我人在大樓裡的時候
AirTag定位都正常顯示在停車場裡
機車停車場人來來往往
雖然有時更新時間拉得比較長
總能遇到別人的iPhone幫忙定位
但當我離開建築物
剛走出一樓大門,對著停車場空曠無阻礙時
https://i.imgur.com/X3eb5iH.jpg 右下角有比例尺
"尋找"APP裡的AirTag竟然從機車停車場
瞬間跳到我所在位置,並顯示"在你身邊"
(明明AirTag實際位置還在100公尺外的車上)
這是否表示
1.AirTag會以擁有者的藍牙訊號優先於
其他陌生人的iPhone協助定位?
不然一定有別人的iPhone比我還要更靠近AirTag
2.AirTag的藍牙有效距離是不是遠遠超過規格
標稱的10公尺(33英呎)?
ps.我的iPhone是SE(2020),沒有支援AirTag上的
UWB超寬頻連線技術,所以沒辦法更精確定位
如果以上推測為真,那AirTag的定位剛好在離你
"有點近又不會太近,剛好收到擁有者藍牙又有點距離"
的時候,會完全失去定位效果,等於沒有作用了
這對於部分缺少UWB的iPhone使用者,可能是個很大的缺點
--
今天到南部某醫院
把機車放在他們提供的收費停車場
故意把AirTag留在車廂裡
我人在大樓裡的時候
AirTag定位都正常顯示在停車場裡
機車停車場人來來往往
雖然有時更新時間拉得比較長
總能遇到別人的iPhone幫忙定位
但當我離開建築物
剛走出一樓大門,對著停車場空曠無阻礙時
https://i.imgur.com/X3eb5iH.jpg 右下角有比例尺
"尋找"APP裡的AirTag竟然從機車停車場
瞬間跳到我所在位置,並顯示"在你身邊"
(明明AirTag實際位置還在100公尺外的車上)
這是否表示
1.AirTag會以擁有者的藍牙訊號優先於
其他陌生人的iPhone協助定位?
不然一定有別人的iPhone比我還要更靠近AirTag
2.AirTag的藍牙有效距離是不是遠遠超過規格
標稱的10公尺(33英呎)?
ps.我的iPhone是SE(2020),沒有支援AirTag上的
UWB超寬頻連線技術,所以沒辦法更精確定位
如果以上推測為真,那AirTag的定位剛好在離你
"有點近又不會太近,剛好收到擁有者藍牙又有點距離"
的時候,會完全失去定位效果,等於沒有作用了
這對於部分缺少UWB的iPhone使用者,可能是個很大的缺點
--
Tags:
iOS
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