Do 3g phones work well? What's the difference with the traditional one?

Signal or the same old, the bill is also higher than the current 2G, the benefit is that you can realize the video call, cell phone to watch TV, high-speed Internet access and other functions, the so-called 3G, in fact, it is known as the 3rd Generation, the meaning of the Chinese language is to refer to the third generation of digital communications. 1995 came out of the first generation of digital cell phones can only voice calls; 1996 to 1997, the second generation of digital mobile phones will increase the function of receiving data, such as receiving e-mail or web pages; the third generation and the main difference between the first two generations is the transmission of sound and data speed. The second generation of digital cell phones that appeared between 1996 and 1997 added the ability to receive data, such as emails or web pages. The main difference between the third generation and the previous two generations is the increase in the speed of transmitting sound and data, which is able to handle multiple media forms such as images, music, and video streaming, and to provide a wide range of information services, including web browsing, teleconferencing, e-commerce, and so forth.

Compared to the first generation of analog cell phones (1G) and the second generation of digital cell phones (2G), such as GSM and TDMA, 3G communications have been called by a variety of names, including "IMT-2000" (International Mobile Telephony 2000) by the ITU, and "UMTS" by the European telecom giants. "UMTS" Universal Mobile Telecommunications System.

The standard specifies transfer rates of 144kbps for mobile terminals moving at vehicle speeds, 384kbps when stationary or walking outdoors, and 2Mbps indoors, but these requirements do not imply that user-available rates can be as high as 2Mbps, as indoor rates will also depend on detailed frequency planning within the building and how closely the organization collaborates with the operator. how closely the organization collaborates with the operator