The terminal works according to the set interval to send data to the server, the use of GPS positioning, when no movement time is greater than 5 minutes, the system automatically shut down the GPS...
Using GPS personal positioning, the accuracy is much higher than GSM positioning GSM/SMS communication function or GPRSTCP/UDP connection worldwide, support 2 frequency band, GSM900/1800MHz using ...
1. Single positioning: know the exact location anytime and anywhere 2, automatic continuous positioning: every 30 seconds to send a longitude and latitude information 3. Hidden number location: ...
1, personal security guards (such as: children, the elderly, disabled people, field personnel, business personnel, etc.) 2. Special anti-theft system for car rental companies and outdoor machiner...
Location time is the time it takes for the receiver to determine its current position when the GPS receiver is restarted. For 20-CHANNEL RECEIVERS, IF YOU ARE NEAR THE LAST LOCATION, THE POSITIONI...
Differential GPS (DGPS) is to install a high-precision GPS receiver at a location that is accurately determined to form a base station. The position measurement error or pseudo-range measurement e...
Because in the GPS_GPRS positioning system, involves the GPS satellite positioning technology and GPRS general packet wireless service related applications, so in the system composition, GPS and G...
There are 24 GPS satellites orbiting the Earth in six orbits (in groups of four). There are usually no more than a dozen satellites on the same side of the Earth. Most GPS receivers can track 8 to...
1. Real-time positioning Enterprise managers can locate the current location of their employees at any time The map shows the punctuation of the location of the employee to be located. When the ...