User's Manual

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After APN ha s be en s et up , s end " address+password" , it w ill r eply i n exact addr ess
including s treet na me. For e xample: N o.113, G uankou 2nd R d, N antou, N anshan di strict,
Shenzhen, Guangdong, china.
6.8 Location based service (LBS) / Cell-ID tracking
If the tracker cannot establish a solid GPS Fix, it will calculate its location using Cell-ID
GSM locating, Location reports will include the GPS coordinates of the last known positions
as well as a LAC code, You can send command “address+password” to the tracker to request
exact address in SMS mode, tracker will automatically switch to tracking by LBS in GPRS
mode. Accuracy of LBS depends on the distance to the nearest GSM Network Cell Tower or
Base Station.
Note: This feature can be used normally in most areas according to the signal of GSM networ
k. It may not be available in some areas.
6.9 Forwarding incoming SMS messages
SMS command: forward+password+space+third party phone number
Tracker response: forward ok
Example: forward123456 10086
The carrier’s number which used to sending notification messages is recommended to set up,
tracker will forward the notification message to authorized numbers when carrier send
message to remind you to top up your SIM card.
SMS command to cancel: noforward+password
Tracker response: no forward ok
Example: noforward123456
6.10 SIM Card Balance Enquiry
SMS command: balance+password+space+phone number+space+code
Tracker response: It will forward the code to the specified phone number and return the
content from that number.
Example: balance123456 10086 ye
This function assumes that your GSM network provider has the option where you can check
your SIM card’s balance by sending a SMS message to a specified number, which is 10086 in
this example of China Mobile.
Send balance back
Mobile
balance123456 10086 ye
Tracker
Received and execute
Send ye out to 10086
10086(China mobile)
Received ye from number in the
tracker and process
Received Balance message
Forward balance message to mobile phone