One of the main requirements coming from different clients is to add an "anti-theft alarm" function to our gps trackers, which will trigger the loud BEEP BEEP alarm whenever the motorcyc...
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...
GPS requires three satellites for accurate positioning, but since satellite clock frequencies are different from those of the receiver (satellites use rubidium and cesium clocks, which are highly ...
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 ...
The spatial distribution of GPS is composed of 24 GPS working satellites, which together form the GPS satellite constellation, of which 21 are navigational satellites and 3 are active standby sate...
The GPS module SiRFStarIII receives every two output position data, usually $GPRMC data format data, including latitude, longitude for purpose, speed (knots), direction of motion Angle, year, mont...