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Thread: AT&T 3G Frequencies

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    AT&T 3G Frequencies

    Yes, I'm a newbie so excuse the question. I am looking for a 3G phone to use on the AT&T network. I know that AT&T uses 850ghz and 1900ghz for their 3G service. Does that mean I need a phone that uses both of the frequencies for 3G, or is a phone that only has 850 available for 3G good enough? Hope this makes sense. Many of the unlocked no-name phones have various frequencies for 3G depending on their market. Thanks for the education!

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    It depends on the market. I know it was common before to have 1900MHz only 3G, but that is a weaker signal, and eventually they made room to fit in 850 MHz 3G in most markets, which boosts your signal/coverage.

    To take advantage, it really is best to have both 850 and 1900MHz.

  3. #3
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    It all depends what frequency AT&T owns in your county. The FCC regulates licenses by MTA and BTA for PCS (1900MHZ), or RSA or MSA for the original cellular licenses (850Mhz), of which there are othatnly 2 per county. 850 licenses cover roughly 3 times that of a1900Mhz license (per tower). The hard part is figuring out what area you are in. If you ask your local AT&T office they will most likely tell you that ur area is at 850Mhz, as they know no differences.
    Know when u get into the 4G LTE areas it is even smaller and complicated, as AT&T only purchased them in metro counties. The best resource is the FCC site, although its not easy to navigate by county. Best of luck to you!

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    I commend you for sending a message that understands frequencies. Most of the posts on thi

    Sent from my DROID BIONIC using HowardForums

  5. #5
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    I commend you sir for understanding that frequencies are they indicate how a phone performs, or doesnt, work in an area. Most people do not recognize that this varies by county. I work in the sales side, but have been educated by the engineering side of the business. The local, regional, and national restrictions also play a part in wireless coverage. People want a single answer to how their phone works, but that is not so. Thank you for understanding the variables.

    Sent from my DROID BIONIC using HowardForums

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