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3G

3G Stands for 3rd-generation. Analog cellular phones were the first generation. Digital phones marked the second generation (2G).

3G is loosely defined, but generally includes high data speeds, always-on data access, and greater voice capacity (more simultaneous calls per tower.)

The high data speeds are arguably the most important feature, and certainly the most marketed. They enable such advanced features as live, streaming video.

There are several different 3G technology standards. The most prevalent worldwide is WCDMA (also known as UMTS.) WCDMA is the 3G technology of choice for most carriers that used GSM as their 2G technology.

See: WCDMA

The other major 3G standard in the U.S. is CDMA 1x, which is an evolution of CDMA 2G technology. There are several types of CDMA 1x, each offering different data rates and levels of compatibility with 2G CDMA. CDMA 1xEV-DO Rev A. became the most common.

See: EVDO

3G networks are being augmented - and eventually replaced - by 4G networks, which offer faster data speeds using more advanced radio technology.

See: 4G

Last updated Sep 4, 2019 by Rich Brome

Editor in Chief Rich became fascinated with cell phones in 1999, creating mobile web sites for phones with tiny black-and-white displays and obsessing over new phone models. Realizing a need for better info about phones, he started Phone Scoop in 2001, and has been helming the site ever since. Rich has spent two decades researching and covering every detail of the phone industry, traveling the world to tour factories, interview CEOs, and get every last spec and photo Phone Scoop readers have come to expect. As an industry veteran, Rich is a respected voice on phone technology of the past, present, and future.

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