3 years, 3 months ago
What is the top five properties of 3G phone
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M$1 Answer
I gather you are looking for the difference between 3G phones and 2G?
PCToday has a good article outlining these specifics.
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Before we dive into the issue, we should explain what we mean by 2G and 3G services. 2G phones have limited data transmission capability but operate on one of the digital networks: FDMA (Frequency Division Multiple Access), which puts each call on a separate frequency; TDMA (Time Division Multiple Access), which assigns each call a certain portion of time on a designated frequency; and CDMA (Code Division Multiple Access), which gives a unique code to each call and spreads it over the available frequencies. Typical 2G benchmarks are digital voice transmission, text, or SMS (short message service) messaging, and in some cases handsets that can be modified to work on any network in the world with the addition of a SIM (subscriber identification module) card. A 3G phone will also operate on a digital network, but not necessarily the same as a 2G phone. The three most common network types are CDMA2000, which is based on 2G CDMA; UMTS (Universal Mobile Telecommunications System), also known as W-CDMA (Wideband CDMA); and FOMA (Freedom of Mobile Multimedia Access). Traits of a 3G phone are the ability to stream audio or video, high-speed Internet browsing speeds, and handsets that are truly world phones—useful on multiple carriers'
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PCToday has a good article outlining these specifics.
--Quote--
Before we dive into the issue, we should explain what we mean by 2G and 3G services. 2G phones have limited data transmission capability but operate on one of the digital networks: FDMA (Frequency Division Multiple Access), which puts each call on a separate frequency; TDMA (Time Division Multiple Access), which assigns each call a certain portion of time on a designated frequency; and CDMA (Code Division Multiple Access), which gives a unique code to each call and spreads it over the available frequencies. Typical 2G benchmarks are digital voice transmission, text, or SMS (short message service) messaging, and in some cases handsets that can be modified to work on any network in the world with the addition of a SIM (subscriber identification module) card. A 3G phone will also operate on a digital network, but not necessarily the same as a 2G phone. The three most common network types are CDMA2000, which is based on 2G CDMA; UMTS (Universal Mobile Telecommunications System), also known as W-CDMA (Wideband CDMA); and FOMA (Freedom of Mobile Multimedia Access). Traits of a 3G phone are the ability to stream audio or video, high-speed Internet browsing speeds, and handsets that are truly world phones—useful on multiple carriers'
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