(Telecompaper) The three operators will compete for 28 blocks in the 3.5GHz spectrum and 24 blocks in the 28GHz spectrum, with the period of use starting in December for 10 years and five years, respectively, the ICT ministry said. The government set the minimum bidding price for the 3.5GHz blocks at KRW 2.65 trillion and for the 28GHz blocks at 621.6 billion after taking into consideration the last auction for 4G spectrum. In 2016, the opening price for the 4G spectrum auction was set at KRW 2.6 trillion.