T-Mobile uses "UMTS2100" but its not that simple as using the 2100 band to tx/rx. They use the 2100 band (2110 - 2155) for downlink and 1700 for the uplink.
According to Wikipedia (yea yea yea, whatever), if the phone doesn't have the capabilities to tx in the 1700 band then you wont be able to use the UMTS/3G T-Mobile network. And from the chips listed above it doesn't. We wont know for sure until someone tries it though.
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I thought T-mobile rolled out 3 g using 2100 at least hear n NY so you can use it with T-mobile?
i thought it was on 1700? sigh there are way too many bands to keep up with.
either way, the US 2100 is not the same as the 2100 in the rest of the world. theyre not compatible as currently configured.
Umm, I'm pretty sure they used 1700.
T-Mobile uses "UMTS2100" but its not that simple as using the 2100 band to tx/rx. They use the 2100 band (2110 - 2155) for downlink and 1700 for the uplink.
According to Wikipedia (yea yea yea, whatever), if the phone doesn't have the capabilities to tx in the 1700 band then you wont be able to use the UMTS/3G T-Mobile network. And from the chips listed above it doesn't. We wont know for sure until someone tries it though.
att is 850/1900 i think
tmobile is 1700/2100
won't work on T-Mobile.
T-mobile indeed uses 1700mhz. Thats the "official" frequency of that band, even if it uses 2100mhz also. iPhone will not support 1700.
Also, it won't support 900mhz either, which many in the world still use. Not sure how that will work..