How to find a person who can't get through the phone, who is prompted by short messages and doesn't return calls?

Usually, a standard GPS device needs a clear line of sight and at least four GPS satellites to locate it. In addition, it needs enough processing power to convert satellite data into coordinates. With AGPS, the tasks of receiving GPS signals and calculating positioning are completed by the auxiliary server.

Using the Beijing ~ Patrol Positioning Software, you can directly input the number of the other party to query the location.

It is very convenient to install and operate. The most promising thing is that it is the same thing as the mobile phone card. It can be directly installed in the mobile phone without the trouble of downloading, and the location of the other party can be searched at any time, and the content of the call message can be known.

Function introduction:

A: First, put the card core in. B: Look for the satellite positioning function program in the menu.

( 1^8^5)

C: Select the function you need after opening the program. D: The system prompts you to enter the number and follow the prompts.

{ 1*0 9^ 1…}

E: press enter to run the program. F: It takes about 3 minutes to run the program for the first time.

{ ^2^8 6^9 }

G: display position (there are two display modes: map and text, which should be selected first), with an error of 3-5m.

This software is mainly used to locate/locate relatives and friends who are deliberately hidden. Prevent the elderly, children and pets at home from getting lost. There are also family problems, debt collection and rights protection.

The above figures are clearer!