The gps manufacturer tells you a few common senses about gps car tracker. With the application of gps car tracker, many vehicles are installed with gps car tracker. However, many people do not know the tracker very well, so it appears in the process of using it. There are a lot of questions, today we will talk about some common sense of gps car tracker to let people know more about gps car tracker.
1. Not all batteries can be used for long standby
For the long standby gps car tracker, the capacity and characteristics of the battery determine the length of the standby time. We all know that the standby time is directly proportional to the battery capacity. The larger the capacity, the stronger the battery life. Therefore, the battery capacity can be roughly used as a judgment method.
Then not all large-capacity batteries are suitable for this positioning. There are many types of batteries, and they also self-discharge during normal use, which means that the batteries consume power by themselves. If the self-discharge of the battery itself is very high, no matter how large the capacity is, the concept of ultra-long standby cannot be supported.
Obviously, a battery that cannot be used for long-term standby is a polymer battery pack battery. Under normal circumstances, the self-discharge of this kind of battery is very high. Specifically, you can imagine your own mobile phone battery. Check to see if there is any electricity when it is turned on after a month, and how long it will last.
2, civil GPS positioning accuracy is up to 10 meters
The GPS we are currently using are all civilian GPS. We will not discuss the military level for the time being. Just take GPS and Beidou as an example. When the signal is good (under ideal conditions such as open ground and sunny days), the positioning accuracy is generally about 10 meters. If it is LBS (base station) positioning, the positioning accuracy is generally between 100 meters and 1000 meters.
GPS positioning accuracy is achieved through a certain algorithm. The requirements for the environment at the time are very high. If there are high buildings, interference signal sources, cloudy weather, etc., the positioning accuracy error will definitely be relatively large. The high precision mentioned in the market can only be achieved under ideal conditions. Even if it is the same machine and the same place, it is normal for the positioning accuracy to be different in different time periods.
3, WIFI positioning is not necessarily the most accurate
Many people think that triple positioning and quadruple positioning are very powerful, especially WIFI positioning, which is very high-tech, and it can be positioned very accurately even indoors. In fact, this is just a gimmick. If you understand the principle of WIFI positioning, you may not have so much hope for WIFI positioning.
Simply put, WIFI positioning is just using the WIFI signal source to determine the IP address of the signal and then resolve it to your location. That is, the address registered with the operator when you pull the network cable. But now almost every family around me has WIFI, and no one knows which of these signals will be acquired, so you can know how accurate the position parsed in this way will be. WIFI positioning does have an auxiliary side, but don't rely on it too much.
4, the size of the positioner is not as small as possible
Without reducing the component configuration, the smaller the size of the positioner, the higher the technical content. Because for RD personnel, to lay out so many circuits and components in a limited area, what tests your comprehensive control ability and overall planning ability. But it's not that smaller is better.
The most important part of the locator is the GPS module and the GSM antenna, and these two occupy a relatively large space. If their space is ignored, the impact on the signal is quite large. There is no fixed GSM antenna, and even a small wire is used instead. This signal is not only very bad, but also extremely unstable.
5. It is difficult for a small wireless locator to stand by for 5 years
As we said above, the wireless locator relies heavily on the battery, especially the battery capacity. If the size is too small, the battery capacity is destined to not be too large. In the case of insufficient battery capacity, if the positioner can stand by for 5 years, this probability is very small. To stand by for 5 years, the battery capacity must be at least 10,000 mA or more.
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