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 Originally Posted by Bill-in-Atlanta
The Sprint coverage we have now is OK with me. Seems no better nor worse than anyone else. We have traveled to Boston, Baltimore, New York, San Farncisco. Worked fine in those places.
Then I heard (rumor - I am a newbie here) that GSM is the "way all phones will be soon." With unlocked GSM I could choose any carrier if I want to change, and if I buy my own unlocked GSM phone, I can change carriers if I get unhappy with the one I am using.
A few points worth considering here.
1. If data access is very important to you, then Cingular might be your best bet for now. I've found they have the best data access coverage almost everywhere I've traveled within the US. Business cohorts of mine with either Verizon, Sprint, and TMobile lost their data access when with me in several US locations and mine on Cingular worked. Verizon is close behind CNG and may be almost the same these days. All of them are running a race on this issue.
2. If coverage outside the US is important to you, then GSM is the way to go. If you choose a CDMA carrier you will not be able to use your phone outside the US except in some nearby countries. I use mine outside the US frequently and have used both Cingular's partnering networks and prepaid SIM cards. Using Cingular outside the US is definitely more expensive. I usually decide before leaving whether I need the ability for people to reach me on my known number before leaving. You can activate and deactivate your overseas CNG coverage as you wish. There is no contract involved for this; usually just a minimum 30 day activation.
3. Data access outside the US can get real expensive in a hurry. Check with the carriers on their fees for this; ie. TMobile and Cingular. If I'm on CNG in Europe for example, I only use data access if its very urgent to do so. I've had bills in the past for this service that exceeded $1000 while in Europe for what I felt was fairly minimal access! Lately, I pretty much use an Internet cafe.
4. Cingular does have pretty good family plans, but with their new rates that recently went into effect, I think they are higher than the others. Since frequent data access is important to me, their $40 rate plan is the only choice I have and I agree it is a high price, but still lower than Verizon's. Some people have been able to get the unlimited data plan on MediaNet with Cingular at $25 a month. Search the forum here using MediaNet for info on how some folks have obtained this, but it may be dicey as to whether or not you can get it at that rate.
As for whether or not all carriers are going to GSM eventually, that's a highly debatable subject. We've had competing mobile technology in the US for many years and I personally don't see that changing anytime soon.
To me choosing GSM vs CDMA is largely a function of your needs when outside the US more than anything else.
Although you will pay a higher initial price for an unlocked unbranded Treo, you have the advantage of activating service on any carrier dependent on carrier's network. If you buy a Cingular brand, check with them before you buy as to whether or not they will unlock it immediately for you. Most of the time, they want you to have service with them for a period of time before they will do this. However, I was able to get them to unlock mine within 30 days of purchase since I convinced them of my need for frequent overseas travel.
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