You Can use Grameenphone,Banglalink,Robi,airtel and Teletalk 3G or 2G SIM at Grameenphone Modem!
GP Modeme 2G / 3G Mode Change kore kibhabe?
# SIM lagia Modem PC te lagan
# Go To Tools -->Options-->Network-->Network
Change WCDMA For 3G
Change GSM For 2G
WCDMA select na korle 2G speed paben
"Teletalk 3G" User ra "GP Modem" a Net Use kore dekhechen?
na kore thakle check korun.kono problem hbe na.
GP Modem Second a Up to 7.2 Mb data tante parbe.....
R Teletalk to 4Mb theke beshi dei na...
Just GP SIM palte 3G or 2G sim diye "connect" din internet connect hbe..
Tips for 3G or 2G Using with GP Internet Modem
# Connect GP Internet Modem with your PC Then GP internet Modem Default Software will Open
# Go To Tools -->Options-->Profile Management
# By Default GP-INTERNET Profile name have been selected
# Now Select "New" From Right Side panel
Type Access Number: *99#
Apn static : wap
Then Press OK
Now Enter your Sim Then Select Profile Name
& Connect
Share this to all of ur "GP Modem" User Friends