In today’s “hand-held phone, I own the world” era, mobile phones bring unprecedented convenience to people’s daily lives, such as daily communication, online shopping, snacks, games, audio and video, entertainment, education and learning. Can be easily achieved on the phone. There is also a particularly important function that is frequently used: navigation.
Our mobile phone is equipped with Gaode card, Baidu card, Google card or one of them. In order to be able to use the navigation function, these maps with GPS locations must be activated. “They deviated from the route and are planning a new route.” The use of GPS is indeed essential in life.
The GPS navigation system is a radio navigation and positioning system based on 24 positioning satellites worldwide. It has 6 orbits and provides real-time information to all parts of the world, such as 3D position and 3D speed. The Global Navigation Satellite System (GNSS) mainly includes gps blocker (USA), GLONASS (Russia), GALILEO (EU) and Beidou / COMPASS (China).
GPS sub-band 5 frequency band, GPSL1-L5, civilian GPS usually only use L1 frequency band, measurement and military use must use both L1 and L2 frequency band, L3 is mainly used for military and scientific research applications, L5 is the third type of civilian GPS signal, we leave No GPS navigation. However, with the popularity of GPS, GPS trackers have appeared. It is cheap, small, and convenient, and has become a tool for many criminals to follow others and commit crimes.
GPS interference is an Abfanggerat, GPS tracking signal is designed for. It can shield the GPS signal within a certain range around itself to hide itself and avoid being tracked by others. Anti-GPS locator can be widely used on the Internet, some can be placed in a pocket or compartment, which is very convenient, just open it when using. However, it is not allowed to use in many places, so you should pay attention to the purpose and use when buying, not illegal use.