Hong Kong’s Communications Authority has formally announced the registered bidders in the upcoming auction of 2×49.2MHz of mobile spectrum in the 1900MHz-2200MHz (2100MHz) frequency band scheduled for December 2014, namely three of the territory’s existing cellcos: China Mobile Hong Kong, Hutchison Telephone Company (3) and SmarTone. Bidders must declare if they are bidding in collaboration by submitting a declaration form by 18 November 2014. Largest mobile operating group by subscribers PCCW (including CSL) cannot participate in the auction under merger conditions. The unified carrier licences will be valid for 15 years from 22 October 2016, i.e. following the expiry of the existing operators’ 2×118.4MHz allocations in the 2100MHz band, previously issued under 3G UMTS licences (for further information see link below to previous CommsUpdate article).