What are the differences between 4g mobile phones and 3g mobile phones?

The difference between 4g mobile phones and 3g mobile phones

1. Differences in network technology: 4g mobile phones refer to mobile terminals that support 4g wireless transmission technology. It is a technology product that integrates 3G and WLAN and can transmit high-quality video images. 3G mobile phone refers to the mobile terminal of the third generation (TheThirdGeneration) high-speed data transmission cellular mobile communication technology.

2. Differences in network standards: The current 3G network standards in China are China Telecom's CDMA2000, China Unicom's WCDMA, and China Mobile's TD-SCDMA. As for the 4G license standard TD-LTE standard, China Mobile, China Telecom, and China Unicom have all obtained TD-LTE licenses. In addition, China Telecom and China Unicom have also obtained licenses for the FDD-LTE standard that is widely used internationally. This means that China Telecom and China Unicom's mobile phones use TD-LTE and FDD-LTE hybrid network mode 4g mobile phones.

3. Network transmission speed difference: 4g technology supports downlink network bandwidth of 100Mbps~150Mbps, which means that 4g mobile phone users can experience a maximum downlink speed of 12.5MB/s~18.75MB/s. It is 35 times that of China Mobile 3G (TD-SCDMA) 2.8Mbps and 14 times that of China Unicom 3G (WCDMA) 7.2Mbps.

Although 3G can also realize various multimedia communications, only with the fourth generation of 4g mobile communications can a large amount of high-quality voice, data, images and other information be transmitted at high speed and high quality. The 4g era is the real wireless multimedia The era of mobile communications. This is also comparable to that of 3g mobile phones and 4g mobile phones.

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