1. According to relevant data, the signal of Unicom in the east of Zongchang Lake Village is weakly affected by many factors such as topography, landforms and tall buildings, and the mobile phone signal will be affected by many factors such as topography, landforms and tall buildings during transmission. If the location is relatively closed, the signal will be affected.
2. The coverage of signal tower is very low. The coverage of the signal tower is low, and the signal is lower than the receiving sensitivity after the mobile phone is lost, so the signal of Unicom in the east of the total field lake village is weak.