With the licensing of 4.5G last year, TL 14.7 billion ($5.152 bilion) was invested in mobile technologies in 2015.
With the 4.5G tenders, Turkcell saw investment increase 398 percent, Vodafone by 309 percent and Avea by 426 percent.
According to the 2015 Fourth Quarter Market Data Report of the Electronic Communication Sector in Turkey prepared by the Information and Communication Technologies Agency (BTK), total investments by Türk Telekom and mobile network operators surpassed TL 13.1 billion this quarter.
The investment amount is an increase when compared to the same quarter in 2014 and the third quarter of last year, due to the switch to 4.5G technologies.