What are the functions of mobile phone anti-theft tracking?

"Anti-theft" means that the number is tracked but not tracked. There are two main anti-theft methods that anti-theft mobile phones can do: one is to send back the new SIM card number used by thieves or third parties after the mobile phone is stolen; Secondly, on the basis of the first function, it can also help to realize telephone address book, short message information return and some remote control functions. Description of mobile phone anti-theft tracking function: 1: once the other party calls, your mobile phone will beep. 2. Unlimited distance and space throughout the country. 3: You can enter four phone numbers at the same time and change the numbers at any time. 4. China Mobile, China Unicom, PHS and CDMA are all acceptable. When the other party is on the phone, they can clearly hear each other's conversation. .6: 200 SMS interception. 7. Target positioning system, which can display the opponent's position. The error is accurate to within 100 meter. 8. City maps all over the country are automatically updated every year. 9: The recording lasts for five hours and can be played at will. 10: make local, international and domestic long-distance calls at 0. 1 yuan per minute (limited to 500 minutes per month).