4G package info of all Mobile operators

Although 4G has been introduced in our country couple of months ago there are no separate package of 4G specially of internet packs. Different Mobile operators just launched some 4G enable devices with data offer which are also applicable for 3G internet coverage. However Here are the links for checking different mobile operator's country wide 4G coverage and Newly launched 4G devices
Grameenphone 4G 
Banglalink 4G
Robi 4G
Airtel 4G
Government owned mobile operator Teletalk will start 4G in May 2018