Belarusian mobile operator MTS Belarus, backed by the Russian Mobile TeleSystems (MTS) group, has reported strong subscriber gains for 2007, with the total number of registered users climbing 18.5% year-on-year to 3.8 million by 1 January 2008 – a market share of 50.7%. The cellco also reported full-year revenues of USD1.076 billion in 2007 and tax payments of USD285.4 million.