The auction raised a reported €1.17 million, with the Slovakian regulator offering frequencies in the 3,600-3,800MHz band.
The regulator is holding a second auction for broadband frequencies in the 8x5MHz FDD and TDD blocks and one 4.x5MHz TDD block. The deadline for bids is February 18, 2015.
Swan is a new entrant to a market dominated by Deutsche Telekom, Orange and O2.
In February 2014, the Slovakian government revealed plans to sell a 49% stake in state incumbent Slovak Telekom.
