Telenor Serbia has announced that it has upgraded its HSPA+ networks to allow maximum theoretical download speeds of 42Mbps. The upgrade has so far been launched in six cities – Belgrade, Novi Sad, Nis, Kragujevac, Subotica and Pancevo – though the cellco plans to extend the upgrade to all locations with 3G coverage. Telenor backed up the launch with a new USB modem capable of fully utilising the higher speed, claiming it was the only device in the Serbian market to do so. The Norwegian-backed provider added, however, that real download speeds experienced by end-users would be between 10Mbps and 20Mbps. As noted by TeleGeography’s GlobalComms Database, rival cellco Mobilkom Serbia, which offers services under the ‘VIP Mobile’ brand and is owned by Telekom Austria, operates a Dual Carrier HSPA+ (DC-HSPA+) network also capable of 42Mbps downstream.