[Deals alert from reddit] K3 note for $149

Really a good price for K3 note, which found from a thread on k3 note subReddit

https://www.reddit.com/r/lenovok3not..._149_tinydeal/

In addition, it seems that K3 note can not works for 3g or 4g network in the US with T-mobile, is it true? Any other big carriers it can support?