- Determine general distance and signal strength by seeking AP around mobile
- Provide notification with vibration alert when you visit the same location after registering AP,
(e.g., you will be noticed with vibration alert when you arrive in the station where you have registered.)
- 确定寻求AP左右移动的距离和信号强度
- 通知振动提示，当您访问后注册AP相同的位置，
（例如，你将注意到振动警报，当您到达您已经注册站。）