Bhutan Telecom Limited (BTL) is a telecommunications company that has the top position in the country because of delivering Internet services in the Kingdom of Bhutan. They offer fixed line telephony -GSM Mobile services (brand B-Mobile), plus Internet Services (brand DrukNet). It is well-known as the top deliverer of both mobile and Internet services in Bhutan. Moreover, they are the only one fixed line telephony services provider here.
BTL can offer you packages of data ( not applicable for tourist SIM) that are divided into 2 options called Easy Surf & Test (475MB + 30 free SMS) that are valid for 1 month and the tariff called Pro Surf & Text (1.9 GB + 30 free SMS) that is valid for 1 month. These plans are cheaper and very flexible in comparison to competitors.