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. Satellite trajectory Here are 24 GPS satellites running around the earth along six orbits (a group of four). Generally, there are no more than 12 satellites on the same side of the earth. Most...
From the perspective of mainstream models on the current market, the main anti -theft methods include engine anti -theft lock system (IMMO), remote control door locks (RKE), keyless access control...
For car users, the GPS monitoring system has powerful anti -theft and navigation functions. Driving in the United States and Western Europe has long been popular. Whether it is cars, trucks and bu...
Since 1970, China's first artificial satellite was sent to the orbit, and 30 different satellites have been launched one after another, creating favorable conditions for New China's space ...
For many logistics companies, how to manage the use of vehicles and understand the situation of the cargo in the transportation process is a very practical and urgent need. At present, through the...
With the continuous improvement of people's living standards and the development of the automotive industry, the ownership of Chinese cars has increased year by year, and the phenomenon of sto...
GPS GLOABAL POSITIONG SYSTEM, which is built by the United States. It is mainly divided into three major blocks, ground control stations, satellites flying in the sky, and receiving machines we ta...
GPS is generally 12 channels now, and 12 satellites can be received at the same time. Early models, such as Garmin 45C is 8 channels. The GPS receiver receives the signal of 3 satellites to output...
When it comes to positioning accuracy, you have to talk about SA and AS. What is SA, as? There are two C/A codes and P yards of GPS signals. The error of the C/A code is 29.3m to 2.93 meters. T...