Several aspects that should be considered when choosing a GPS solution
1. GPS chip
The accuracy of navigation, the most critical is the accuracy and algorithm of receiving satellite signals. The satellite reception performance is mainly determined by the GPS chip. The GPS chip is equivalent to the computer's CPU. The mainstream is now Sirf (Sirf) three generations of chips. It has 20 satellite channels (12 channels in the second generation of sirf). Others include sONy chips and Swiss RFMD chips. The effect of these chips in actual use is significantly different from that of sirf.
2. GPS power supply
When people use GPS, they are usually in the car or outdoors, and sometimes the navigation time is longer (such as long-distance travel).
Therefore, when choosing a GPS, pay attention to the power of the GPS or the battery.
For car, general Bluetooth GPS and all-in-one have car charger.
When hiking, the battery design ideas of each product are different: some use the same battery as the Nokia battery, so that Nokia mobile phone users have a lot of battery backup. Some use large-capacity batteries. Some are simply equipped with an external dry battery box.
These can solve the power supply problem, the key is to see which one is more suitable for you.
3. GPS antenna
The GPS antenna can enhance the receiving ability while expanding the receiving range. For example, if no signal is received inside the house, the antenna can guide the outside.
The GPS of the sirf three-generation chip does not use a GPS antenna in most use cases. It is generally not necessary in cars with metal film. However, under special circumstances, such as bad weather conditions, high-rise building obstruction, etc., the antenna can be purchased as the most spare. When the signal is good, installing an antenna can also increase the signal strength.
4. Features of GPS products
It can be said that every GPS product has its focus when it is designed. A product cannot be perfect.
For example, some machines focus on cost performance, some focus on small, stylish and beautiful, some focus on functional diversity, and some use large-capacity batteries.
Therefore, when choosing, you should also choose according to your actual needs, types you like and how much you plan to invest.
5. Reputation
Some products with high market reputation and popularity should be selected. The quality of such products is reliable, stable, and the monitoring is accurate and in place in real time, which can ensure vehicle safety and convenient management. Such as the common four-way communication vehicle GPS, Huaqiang, etc. on the market.
LED display screens, also known as LED video walls or LED panels, are flat panel displays that use light-emitting diodes (LEDs) to display images, videos, and other content. These screens are made up of individual LED modules that work together to create a larger display.
There are hot-selling models such as P2.5/P2.6/P3.91/P4.81/P5/P10 Pantalla led panels indoor outdoor use.
LED display screens are commonly used in various applications, including advertising and marketing, sports stadiums, concerts and events, retail stores, control rooms, and transportation systems. They are known for their vibrant colors, high resolution, and ability to capture the attention of viewers.Led Screen,Led Display,Led Video Wall,Led Display Board
Guangzhou Cheng Wen Photoelectric Technology Co., Ltd. , https://www.cwledwall.com