According to the rumors that I have heard, Google Nexus 4 has a support of 4G LTE. However, some people have revealed that in reality it has only a chip of 4G LTE inside the device. In addition, Nexus 4 can connect to LTE band 4 but not to other LTE bands. To know more about the same you can go here: Google Nexus 4 to work with AT&T 4G LTE... in a few parts of the US - Liliputing