I have T-mobile 3G USA . Will this device work on T-mobile 3G UTMS 2100 in USA? ?Is it possible? 2.Will this device only run on GSM/Edge only using T-mobile USA?3.Does T-mobile 3G support UTMS 1700and UTMS 2100 only in USA.4.Does T-mobile 3G USA supports UTMS 2100 USA?