dtac ensures investor confidence with the continuous network rollout with the installation of over 20,000 3G/4G base stations during the last 12 months to extend its 4G coverage to the entire country, including highly-populated areas. dtac has increased bandwidth on 1800 MHz to 20 MHz, the widest contiguous 4G bandwidth in a single frequency band in the market, improved network quality and perception, and offered the best and best valued Internet service to customers.