Home > Common Problem > body text

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

silencement
Release: 2019-06-25 10:18:54
Original
5537 people have browsed it

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.

The above is the detailed content of What are the differences between 4g mobile phones and 3g mobile phones?. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template