1. Check the main parameters of GPS positioning products: communication network, GPS signal searching ability, software and hardware stability

　　With the acceleration of people's search for intelligent life, the communication network has also accelerated to 5G, and the construction of the Internet of Things has been strengthened. In this evolution process, products with small data and slow communication will not meet the trend of the times. For example, China Unicom recently first proposed to close the GSM 2G network, and it is inevitable that GMS 2G will exit the stage. At present, there are still many GPS positioning product companies engaged in the production of 2G positioning machines, which cannot meet the needs of customers. If small enterprises do not have the ability to develop 3G, 4G and nb-iot/Cat_ M1 products will have a high probability of being eliminated. Therefore, we should also give priority to enterprises with development capabilities and choose 3G and above products.

　　2. Platform capacity and stability of GPS positioning products

　　We know that GPS positioning products need to feedback positioning information to customers, so we need such a platform. We can observe the positioning information in real time and also query the historical track records in the past. Therefore, another measure of the quality of GPS positioning products is the capacity and stability of the positioning management platform. Whether the positioning platform server developed by the enterprise can withstand a large amount of data transmission.

　　The reason why the product platform is important is that it is the display screen of the entire product, which can display the virtual positioning information in front of us. If the platform is unstable, we will accept data more slowly, and the user experience is poor, which will affect the vision and function. If a company chooses to purchase GPS positioning products, it cannot meet the needs of users and is easily eliminated. The ability of the platform is reflected in the ability of the platform to carry products online at the same time. The larger the capacity, the smoother the operation. The more products, the stronger the manufacturer. This is mixed with software technology, server operation, etc. How to identify whether the product manufacturer has advantages in the platform? We can simply use and download the platform developed by the enterprise, and then consider whether the platform interface is easy to use.

　　3. GPS manufacturer's product upgrading capability and comprehensive after-sales service capability

　　There are enterprises with different technologies in the GPS industry, and some companies do not have their own development teams. Therefore, when there are after-sales problems, they start to shirk their responsibilities or charge high maintenance fees from developers. Such incidents occur frequently, mainly because the buyer has not found the real strength of the manufacturer.

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