State-owned mobile operator Teletalk finally launched 4G (fourth generation) mobile data services commercially in the capital, some 10 months behind the market's remaining three private wireless carriers.

Teletalk is preparing to launch fourth generation (4G) mobile service, albeit in big cities, with optimum visibility by August and plans to invest only Tk 200 crore from its own funds to develop 1,100 or around a fourth of its network sites.