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Thread: T-mobile frequency band question.

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    T-mobile frequency band question.

    Hi im trying to figure out if my phone will work on t-mobile 3g/4g network. The phone im planning on buying is "Sony Xperia SP" from what i read t-mobile supports 1700/2100 band IV frequency. The white paper saids it has 1700(Band IV) and 2100(Band I) so will this phone work or not because of the different (Band)?

    It won't let me post links so if you need to double check go to (sonymobile.com) and phone name (sony xperia sp)

    White paper : UMTS HSPA+ 850 (Band V), 900 (Band VIII), 1700 (Band IV),
    1900 (Band II), 2100 (Band I) MHz
    GSM GPRS/EDGE 850, 900, 1800, 1900 MHz

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    T-mobile frequency band question.

    Quote Originally Posted by zMIKUz View Post
    Hi im trying to figure out if my phone will work on t-mobile 3g/4g network. The phone im planning on buying is "Sony Xperia SP" from what i read t-mobile supports 1700/2100 band IV frequency. The white paper saids it has 1700(Band IV) and 2100(Band I) so will this phone work or not because of the different (Band)?

    It won't let me post links so if you need to double check go to (sonymobile.com) and phone name (sony xperia sp)

    White paper : UMTS HSPA+ 850 (Band V), 900 (Band VIII), 1700 (Band IV),
    1900 (Band II), 2100 (Band I) MHz
    GSM GPRS/EDGE 850, 900, 1800, 1900 MHz
    Yes, it will work on their 3G HSPA network.
    __________________________________________________ __________________________________________________ _________



    Speed achieved using T-Mobile Samsung GS2

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    Quote Originally Posted by terryjohnson16 View Post
    Yes, it will work on their 3G HSPA network.
    ok thx, but for future purchases (UMTS HSPA+ 850 (Band V), 900 (Band VIII), 1700 (Band IV),
    1900 (Band II), 2100 (Band I) MHz
    GSM GPRS/EDGE 850, 900, 1800, 1900 MHz) even if 1700 saids band IV and 2100 saids band I, it makes no difference?

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    T-mobile frequency band question.

    Quote Originally Posted by zMIKUz View Post
    ok thx, but for future purchases (UMTS HSPA+ 850 (Band V), 900 (Band VIII), 1700 (Band IV),
    1900 (Band II), 2100 (Band I) MHz
    GSM GPRS/EDGE 850, 900, 1800, 1900 MHz) even if 1700 saids band IV and 2100 saids band I, it makes no difference?
    As long as the phone has 3G pcs and/or AWS hspa, you will be fine. Also in the future you want to get a phone with AWS LTE if you plan on using tmobiles LTE network.

    Band 4 aka the AWS band is known as the (1700/2100) paired band which TMobile uses for 3G HSPA and soon LTE.

    The 2100 band which is not to be confused with the 2100 band that your see in AWS is the European 2100 band for overseas.

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    Quote Originally Posted by terryjohnson16 View Post
    As long as the phone has 3G pcs and/or AWS hspa, you will be fine. Also in the future you want to get a phone with AWS LTE if you plan on using tmobiles LTE network.

    Band 4 aka the AWS band is known as the (1700/2100) paired band which TMobile uses for 3G HSPA and soon LTE.

    The 2100 band which is not to be confused with the 2100 band that your see in AWS is the European 2100 band for overseas.
    Ok so on the white paper if it has just UMTS HSPA+ 1700(Band IV) 3g will work?

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    Quote Originally Posted by zMIKUz View Post
    Ok so on the white paper if it has just UMTS HSPA+ 1700(Band IV) 3g will work?
    Yes Band IV is all you need.

    You should be careful because the specs page indicates there will be different models with different bands:

    Networks

    UMTS HSPA+ 850 (Band V), 900 (Band VIII), 2100 (Band I) Mhz

    UMTS HSPA+ 1700 (Band IV), 1900 (Band II) (not available in all markets)

    GSM GPRS/EDGE 850, 900, 1800, 1900 MHz

    LTE Bands 1, 2, 4 and 5 (not available in all markets)

    LTE Bands 1, 3, 5, 7, 8 and 20 (not available in all markets)

    http://www.sonymobile.com/global-en/...ications/#tabs

    But it looks like it would be a good phone for T-Mobile especially if it has LTE Band 4 as well.

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    You REALLY need to get the right model. T-Mobile has band II and band IV UMTS (mostly band IV but band II is increasing). They have nothing in band I, band VIII, or band V that the other model supports.

    More importantly, the US model (assuming it does not have the first set, which looks to be the case the way it's listed) doesn't work on AT&T in all markets (many band V only areas) or on most non-US/Can networks (usually band I, rarely band VIII or band V)

    Nevermind the second part - looking at the site it makes me thing there will be a I/V/VIII and a I/II/IV/V/VIII model - make sure you get the second one!

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    T-mobile frequency band question.

    Quote Originally Posted by zMIKUz View Post
    Ok so on the white paper if it has just UMTS HSPA+ 1700(Band IV) 3g will work?
    Yes. If the device has pcs 1900 umts/HSPA them it will also work too. Having both is a plus.

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    While AWS (Band IV) uses 2100 for download and 1700 for upload, phone hardware makers classify it as 1700.
    While IMT (Band I - not used in US) uses 2100 for download and 1900 for upload, phone hardware makers classify it as 2100.
    http://en.wikipedia.org/wiki/UMTS_frequency_bands

    T-Mobile US is mostly AWS, but is also deploying PCS so unlocked AT&T phones can use T-Mobile UMTS.
    Just be sure the specific phone model you get actually has AWS (PCS would be a bonus). Sometimes their are multiple models which may not have all US bands supported.

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    GSM/EDGE: 1900
    HSPA: AWS; alt: 1900
    LTE: AWS

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