hart produced by GSA confirming the main spectrum bands which are currently used in 360 commercially launched LTE networks worldwide.
Source of data:
GSA Evolution to LTE report published January 7, 2015
1800 MHz (b3) is the most widely used contiguous band in 4G/LTE commercially launched systems deployments worldwide. The second most popular contiguous band is 2.6 GHz (b7), followed by 800 MHz (b20) then AWS (b4)
Band 40 (2.3 GHz) and band 38 (2.6 GHz) are the most commonly used spectrum for TDD deployments