The technological differences among GSM, CDMA, and iDEN generate volumes of information, marketing, and opinion from the cell phone carriers that use one wireless technology or another. All, understandably, claim that their cell phone technology is the “best” with reasons to support their contention. Actually, they are correct and being very truthful. A better question: “Which is the best technology FOR ME?”
Your decisions should not generate too much stress or concern as all three major wireless technology methods work very well. A decision as to which is “best” cannot be made without considering additional information - issues that pertain to you, directly.
For example, if your career or vacation travel frequently takes you beyond the borders of the U.S., a GSM cell phone carrier might prove to be best for you.
The most common cell phone technology globally is GSM. Therefore, you may be able to use your own cell phone in a number of other countries, without the necessity - and extra cost - of buying or renting a compatible cell phone in different locations you visit.
If you work closely with a team, whose members are often physically in different places, iDEN technology, used by Nextel, is often the best choice.
The combination of two-way radio functions and cell phone technology allow you to stay in constant touch with your teammates instantly by simply paging them. No network “minutes” are used or charged for these communications, often saving your company money and providing the instant contact that helps a team function better.
If you are strictly a U.S. user, CDMA cell phone technology is just as reliable and efficient as GSM and iDEN systems. Some experts will state that CDMA is true 3G (Third Generation), state-of-the-art wireless technology. CDMA is particularly adept at transmitting data quickly and efficiently to and from your cell phone.
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