China is racing ahead in 5G, Last month, the Shanghai Hongqiao Railway Station became the world's first"5G railway station". Now it takes only 20 seconds to download(下载) a long movie there.
We are moving closer and closer to the 5G world. However, the new technology is still strange to most of us. What is 5G, after all? The first feature of 5G is obvious-it is fast. 5G will not only be faster than the current 4G networks, It will also be much faster than the broadband connection we have at home!
The first 5G modem(调制解调器) of the IT company Qualcomm supports speeds of up to 5 gigabytes(千兆字节) per second， Most of us have never experienced anything close to that speed. And we are only talking about the first generation of 5G modems. Future modems are likely to be even faster.
But 5G is not all about speed. Have you ever been to a large event where your data connection slowed down? That is because 4G networks can only support a certain number of devices per square kilometer. 5G networks will be able to do much better. They can support up to a million devices per square kilometer.
Now, you begin to understand why 5G is a huge upgrade over 4G. The technology is not just for the smart-phone. It also has a strong influence on every connected device. With 5G, self-driving(无人驾驶) cars will be able to communicate with the world around them as quickly as possible. These cars will be completely independent. Wearables, PCs(个人电脑) and smart home appliances(智能家电) will be able to improve as well.
Are you looking forward to that 5G world now? I am.
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