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...
High-end technology: Based on electronic map and GPS positioning technology development, strong technical support, platform stability, GIS map engine, fast query speed Clear positioning: A manage...
(a) external power GPS locator must be connected to the power supply of the car, can work 24 hours, general criminals want to use this product to track others' vehicles, it is impossible. Beca...
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...
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...
China's beidou system is realized by using geometric principle of the junction of three goals positioning, now has global coverage to cover all over the world, is applied to the related the li...
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...
Global Positioning System (GPS) is a positioning system studied by the United States. Its characteristics are as follows: it does not need a SIM card, does not need to connect to the network, as l...
Wifi positioning, as the name implies, there must be wifi around it! The purpose of WiFi positioning is to solve indoor accurate positioning, the principle is similar to **** positioning. The cond...