India, Oct. 16 -- 5G services could start in Hong Kong as early as the middle of 2020 after each of the city's four operators acquired slices of the key 3.5GHz spectrum on Monday.

The sale, which yielded HK$1.006 billion ($128.2 million), was the first of a three-part auction of 380MHz of 5G frequencies.

Regulator Ofca will sell off the 3.3GHz and 4.9GHz frequencies -- also mainland China bands -- in the coming weeks.

HKT, which acquired 40MHz of spectrum for HK$252 million ($32.1 million), said it expected to roll out services in Q2 of 2020.

It said it welcomed Ofca's "modest" 5G spectrum fees -- a turnaround from its scorching attack last year in which it accused the government of "drip feeding spectrum into the market" to maximize au...