-7-
5. Cell ID Locate
When user trigger tracker reply location by SMS, if the tracker is in the place where there is no GPS signal,
such as underground park, indoor room, the tracker will reply SMS with CELL ID location to user, and the
precision is about 50-500m, according to the around mobile phone base station density. The location SMS is
like below, click the link the map is same with the above 2.
No GPS signal, just Cell ID Location
https://maps.google.com/maps?q=22.67680N,114.15188E
Battery: 91%
Senior Locate Operation & Setting
1. Add / Delete / Check authorized number:
The authorized phone number is used to send alarm information by SMS, or use mobile phone to locate
the tracker without platform, if the authorized phone number is not set, then the alarm information can not send
to user by SMS (alarm, battery low, SOS, etc). The Add command, please see “Basic Locate Operation &
Setting”.
Delete authorized phone number by SMS
Send SMS “DELETEPHONE*123456*A” to the tracker, “DELETEPHONE” is a command; “123456” is
password; “A” is authorized phone number location, there are 3 locations “A” and “B” and “C”; if the delete
operation is success, the tracker will send back the information “Delete Preset Phone OK”, if the password is
not right, the operation is fault, the tracker will send back information “Wrong Password”.
Check authorized phone number by SMS
Send SMS “CHECKPHONE*123456” to tracker, “CHECKPHONE” is a command; “123456” is password; if
the operation is success, the tracker will send back the information “Preset Phone A: 13987654321
；
B
：
13876543210
；
C
：
13765432100, the phone number is just an example. If the password is not right, the
operation is fault; the tracker will send back information or “Wrong Password”.
2. Change / Check Tracker Password
The tracker password is used to protect the tracker only can be operated by owner, every SMS command
need follow tracker password, the default tracker password is 123456, for higher security please change the
tracker password.
Change tracker password
Send SMS “CHANGEPASSWORD*123456*888888” to tracker, “CHANGEPASSWORD” is a command;
“123456” is old password; “888888” is new password; if the operation is success, the tracker will send the
information “New Password
：
888888” to every preset phone number, if the password is not right, the operation
is fault, the tracker will send back information “Wrong Password”.
