EE would be doubling speeds of its 1800MHz

How is this possible? At the launch CEO Olaf Swantee explained that it was doubling the bandwidth it would be using from 2x 10MHz to 2x 20MHz.

Read more: http://lteconference.wordpress.com/2013/04/09/double-trouble-how-ee-is-able-to-double-its-speeds-and-why-it-isnt-entirely-good-news/ 

EE in LTE Depot data base: https://sites.google.com/site/ltedepot/home/country/uk/everything-everywhere