Tp link Model:TL-WR841HP Firmware version: 0.9.1 1.0 v0000.0 Build 170906 Rel.34654n(0000) Hardware version: v5.0 Problem: in wireless section there is no Bangladesh region. Only Indian region i have...

I have already buy TL-wr841HP but in the region section i didn't found Bangladesh region... without Bangladesh region i didn't select the Chanel and also Chanel width.. please help.