Uplink SMS translation

3G is the third generation mobile communication technology, which refers to the cellular mobile communication technology supporting high-speed data transmission. 3G services can transmit voice and data information at the same time, and the rate is generally above several hundred kbps. 3G refers to a new generation of mobile communication system that combines wireless communication with multimedia communication such as the Internet. At present, 3G has three standards: CDMA2000, WCDMA and TD-SCDMA.

The peak downlink speed of 3G can reach 3.6 megabits/second (2.8 megabits/second), and the peak uplink speed can also reach 384 kilobits/second ... It is impossible to download a movie at the speed of 2G per second as said on the Internet. Of course, it is impossible to download a movie instantly.

The second generation mobile phone communication technical specification 2G takes digital voice transmission technology as the core. Generally defined as the inability to directly transmit information such as e-mail and software; Only the technical specifications of mobile phone communication with calls and certain transmissions (such as time and date) are available. However, SMS can be implemented in some of its specifications. In the United States, it is usually called "personal communication service" (foreign language abbreviation: PCS).