UMTS frequencies on GTA04

Dr. H. Nikolaus Schaller hns at
Tue Apr 2 18:48:03 CEST 2013

Am 31.03.2013 um 14:33 schrieb thomasg:

> On Sun, Mar 31, 2013 at 11:52 AM, Liz <edodd at> wrote:
>> I've just got a new SIM card for a specific network. It says "Your
>> device must be compatible with UMTS 850 and 2100 to take full advantage"
>> I can't find any documentation about UMTS frequencies on the GTA04.
>> Can someone advise me?
>> _______________________________________________
>> Openmoko community mailing list
>> community at
> The modem used in the GTA04 is the Option GTM601W, which is a
> Quadband-GSM and Quadband-UMTS device.
> For UMTS, it fully supports Bands 1 (which is 2100 MHz) and Band 5
> (which is 850 MHz), so it should support both bands your provider
> likely uses.
> As there doesn't seem to be any official public information about the
> device anymore, here's a link to a 3rd party detail list:

Here is the official info:

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