Conference call mentioned they are using TD/LTE, one of the only companies using this???http://www.gomonews.com/whats-td-lte-the-latest-4g-craze-explained/
but TD LTE is not even going to monetize till 2013 or later, according to Chinese officials, they won't release commercial licenses till 2013 or possibly 2014.
This article states China Mobile's interest in it. SPRD sounds like they are in a good position to be part of these trials.http://www.gomonews.com/mobile-4g-china-mobile-rolling-out-td-lte-trials/