Android phone w/ 1700/1900/2100 MHz UMTS?

Discussion in 'General Smartphone/Handheld/Wearable Discussion' started by username1001, Aug 6, 2010.

Thread Status:
Not open for further replies.
  1. username1001

    username1001 Mobile Enthusiast

    Messages:
    5
    Likes Received:
    0
    Trophy Points:
    1
    Howdy y'all,


    I'm considering buying an Android phone (preferably with QWERTY), and now I'm worried I won't get it to work in all countries I might end up in.

    Specifically, I know I would want a phone which does 3G (UMTS, w/e) at 1700/1900/2100 MHz such that I will be able to use it both in the UK on Three (they use 1900 / 2100) and WIND in Canada (they use 1700 / 2100).

    After browsing the interwebs for a while I couldn't find a single phone which does these three specific frequencies for UMTS.
    Does a phone with these specifications even exist?

    Thanks in advance!
     
  2. Drillbit

    Drillbit Mobile Deity

    Messages:
    4,024
    Likes Received:
    797
    Trophy Points:
    288
    No. Only 900, 1700/2100 AWS and 2100. You don't need 1900 really, its being phased out for 2100. Or to put it another way, bands that are in 1900 are now being referred to as 2100.

    But that is enough to work on Wind, T-Mobile USA and all the European and Asian carriers.

    The Nexus One.

    For that matter, so does the MyTouch 3G, HTC G1 Dream (T-Mobile edition) and the new T-Mobile Slide.

    Note that this two are really different.

    Band 1 2100 (actually covers 1900, 2000, 2100)

    Band 4 1700/2100 AWS (used by Wind and T-Mobile USA. Uses 1700 in one channel, 2100 in the other). Band 4 and Band 1 are not compatible but certain phones do support both.
     
  3. username1001

    username1001 Mobile Enthusiast

    Messages:
    5
    Likes Received:
    0
    Trophy Points:
    1
    Hi there,


    thanks for your response!

    However, I am slightly confused by your statement that the 1900 MHz band would be phased out gradually.

    For one, the wikipedia article on UMTS frequencies ("en.wikipedia.org/wiki/UMTS_frequency_bands") states bands I and IV (Three UK uses band I while WAVE in Canada utilizes band IV) to use 1900/2100 and 1700/2100 respectively.
    As you can tell from the table in that article band I uses the 1900 band for uploads from your handheld and the 2100 band for downloads to your handheld (similar for band IV).

    Also I get confused by the fact that, for instance, the mobile operators in the UK doled out big cash in auctions for their share of both the 1900 MHz band and the 2100 MHz band to operator their new UMTS (w/e you call it) services.
    "Phasing out" the 1900 MHz shortly after you pay a gazillion Dollars for it seems slightly illogical.


    So, what's the deal?
    Or better yet: what are your references for claiming that the 1900 band will become obsolete soon?
     
  4. Varjak

    Varjak Mobile Deity

    Messages:
    6,503
    Likes Received:
    39
    Trophy Points:
    0
    This might be a selfish request, but the difference amongst the bands (and I recently discovered that there's a difference between the data bands and voice bands too) ARE pretty confusing. Since BH does several different guides, a box-table of the various bands, which are redundant, which are dominant in various countries, etc. might be useful for many BH'ers.
     
  5. RickAgresta

    RickAgresta Peanut, leader of the Peanutty Forces

    Messages:
    21,653
    Likes Received:
    18,746
    Trophy Points:
    288
    not selfish at all, Varjak. Ed, how about it? I'm also unaware of the specifics.
     
  6. username1001

    username1001 Mobile Enthusiast

    Messages:
    5
    Likes Received:
    0
    Trophy Points:
    1
    Splendid idea!
    I would thoroughly appreciate such a table, and would be happy to but in some personal effort as well - although I am far from being knowledgeable in the area as you guys can tell.
     
  7. Varjak

    Varjak Mobile Deity

    Messages:
    6,503
    Likes Received:
    39
    Trophy Points:
    0
    I know that it's a topic that comes up pretty regularly (data and voice bands, frequencies, compatibility, etc.)
     
  8. Drillbit

    Drillbit Mobile Deity

    Messages:
    4,024
    Likes Received:
    797
    Trophy Points:
    288
    The Band 1900 is also used by AT&T, but yes, its being phased out for band 850.

    Band 1900 is not used in Asia and Europe, rather Band 1 2100 does extend to 1900 range then up to the 2100 range but its not the same channel altogether.

    So I repeat UMTS 2100 does extend to 1900 but its not the same as the UMTS 1900.

    That's why don't expect units with UMTS 1900 to work on stations with UMTS 2100, or handsets with 2100 to work on stations with UMTS 1900.

    There is more to a channel than just the frequency.

    For that matter, 1700/2100 AWS is NOT compatible to 2100 UMTS. Though it does not mean your AWS phone won't work on 2100 UMTS because T-Mo US smartphones do have a separate 2100 UMTS option in addition to the 1700/2100 AWS. So if your MyTouch 3G is getting 3G in Europe and in Asia, its not using its 1700/2100 AWS band, but its optional 2100 UMTS band.

    The UK 1900 UMTS bands are classified under Band 1 2100. They are not the same as the UMTS 1900 bands used by AT&T. When I mean "phased out" the term "1900" is being phased in favor of just 2100 to avoid confusion at least in the UK and Europe. In the US, 1900 is literally being phased out by AT&T for 850, which has superior building penetration.

    Band 1 2100 UMTS uses 1900-2000 range for Uplink, 2100 for Downlink
    Band 4 1700/2100 AWS uses 1700 for Uplink, 2100 for Downlink

    The 1900 you see in Canada and USA uses both 1900 for Uplink and Downlink.

    Bottom line, you got nothing to worry about. The Nexus One with the T-Mo band, or various HTC Android phones on T-Mobile or Wind, like the MyTouch 3G and Slide.
     
  9. username1001

    username1001 Mobile Enthusiast

    Messages:
    5
    Likes Received:
    0
    Trophy Points:
    1
    Thanks a bunch for your elaboration!

    However, I am still very much confused:

    When the specifications of a phone read "UMTS 1900 / 2100", does that mean the phone will be able to operate in both the 1900 MHz and 2100 MHz range on 3G, OR does that mean the phone will be able to operate in "the 2100 band" and "1900 band" ... where one needs to define what does "bands" are then?

    From your response I understand that the latter is the case, and a phone with "UMTS 1700 / 2100" will be able to operate in "the 2100 band" as well as "the 1700 band".
    However, I am still sceptical as to whether this is actually the case.

    Apologies though if I am just being too dumb to understand your response!
    I am not implying your response might be incorrect, it's just that I don't understand.

    Also, here's a website that explains a few of these issues (including a nice depiction of Europe's 3G bands on 1900 / 2100):

    three-g.net/3g_spectrum.html
     
  10. username1001

    username1001 Mobile Enthusiast

    Messages:
    5
    Likes Received:
    0
    Trophy Points:
    1
    Here's a website that seems to list some of the information we are looking for, however the info for, at least, Canada seems incomplete since they aren't listing UMTS 1700 (used by WIND):

    gsmarena.com/network-bands.php3?sCountry=CANADA


    Also, with respect to what Drillbit has put forward:
    I now understand your naming of the UMTS bands, I think.
    The second column in the UMTS freq. table on wikipedia gives the name of the corresponding band (which is what you suggested previously):
    en.wikipedia.org/wiki/UMTS_frequency_bands
     
Loading...
Thread Status:
Not open for further replies.

Share This Page