A: Sending dw#, V16 will have the following four types of SMS reply under different working condition:

1. Tracking open, GPS positioning success, reply message is: (GPS) : Huaxin Road, Futian,Shenzhen,Guangdong,China,518000 http://www.gps123.org/MapByDevice.aspx?LAN = en - us&lat LNG = = 22.55113 & 114.08009

2. Tracking open, GPS is not successful, automatically switch to base station location, reply message is: (LBS):HuaxinRoad,Futian,Shenzhen,Guangdong,China,518000 http://www.gps123.org/MapByDevice.aspx?LAN = en - us&lat LNG = = 22.55170 & 114.07940

3, Tracking closed (or GPRS signal is bad), GPS positioning success, reply message is:

http://maps.google.com/maps?Q = N22.550892 E114.080124.

4. Tracking closed (or GPRS signal bad), GPS cannot work. switch to base station location, reply message is:

http://www.trackanywhere.org/LBSQuery/LBSQuery.aspx?MCC = 460 & newsun focus = 0 & LAC = 10133 & CID = 5043 & LAN = useful – cn