HKT is considered to be Hong Kong's premier telecommunications service provider for the public, local and international businesses. Aiming to provide the best services and technologies to its clients, HKT is investing in new spectrums and in 5G to develop smart cities. In an exclusive interview, Paul Berriman, Group Chief Technology Officer at PCCW and HKT Group, spoke to Telecom Review about the newest spectrum the company applied for, its smart cities projects and the importance of security in 5G.