The Ministry of Internal Affairs and Communications in Japan held the 5G spectrum auction in April 2019. The country’s telecom operators acquired spectrum in the 3.7 GHz, 4.5 GHz and 28 GHz (n78, n77, n79 and n257) bands . 5G service is provided by four telecom operators in Japan: NTT Docomo, KDDI, Rakuten and Softbank.22 Tem 2020