What is "teletalk"

Teletalk Bangladesh Limited, whose brand name is 'Teletalk' is the only state-run GSM and 3G based mobile phone operator in Bangladesh that started operating in 2004. As on January 31 2016, Teletalk is the fifth largest mobile operator in Bangladesh with a subscriber base of 4.211 million. Teletalk has 10 MHz 3G spectrum of 2100 MHz Band. Teletalk offers both prepaid and postpaid plans for its 3G and 2G users. Its prepaid plans include 'Agami', 'Bornomala' and 'Youth'. The operator also offers 3G broadband devices such as Flash MODEM, Flash Router and MiFi Router.