hi dialog
I want to design a kid Tracker, prevent children wandered off.I thought this project can reference design.
我想设计一个小孩防丢器，防止小孩子走丢。我像这样项目可以参考设计。
Development design idea : Received Signal Strength Indication (RSSI) as a reference, setting a certain measuring distance, When the distance exceeds the lost warnings
开发设计思路:以通信时的信号强度(RSSI)为参考,设定一定的测量距离，超出设定距离即发出丢失警报
Device:
Hi There, i would suggest to take a look at the proximity tag : what you are describing is the findme profile , which is the basis for the proximity tag reference design you can find below. You can request a sample of that if you wish, and a full document /user manual is available. BR JE_Dialog
http://support.dialog-semiconductor.com/reference-designs
HI JE_Dialog，Thank you for your reply.BR lin