GSM Technology
Roaming Cellular Service in Asia
GSM 900, 1800, 3G

GSM, Global System for Mobile communications, the second generation digital technology originally developed for Europe but which now has in excess of 71 per cent of the world market. Initially developed for operation in the 900MHz band and subsequently modified for the 850, 1800 and 1900MHz bands. GSM originally stood for Groupe Speciale Mobile, a committee which launched the GSM standard. GSM is an open, digital cellular technology used for transmitting mobile voice and data services.

GSM supports data transfer speeds of up to 9.6 kbit/s, allowing the transmission of basic data services such as SMS (Short Message Service). Another major benefit is its international roaming capability, allowing users to access the same services when travelling abroad as at home. This gives consumers seamless and same number connectivity in more than 200 countries. GSM satellite roaming has also extended service access into areas where terrestrial coverage is not available.

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3G and GSM Network Providers

Africa   Asia   Asia (SouthEast)   Australia, Oceania   Caribbean Sea   Central America  

Europe   Middle East   North America   Satellite   South America

Afghanistan

Operator Name Afghan Wireless Communication Company
Network Name AWCC
Technology / Frequency GSM 900/1800
Network Status Live since April 2002
Website telsysint.com
Operator Name Telecom Development Company Afghanistan Ltd.
Network Name ROSHAN
Technology / Frequency GSM 900
Network Status Live since June 2003
Website roshan.af

Armenia

Operator Name ArmenTel
Network Name ARMGSM
Technology / Frequency GSM 900
Network Status Live since December 1996
Website armentel.com
Operator Name K Telecom CJSC
Network Name VivaCell
Technology / Frequency GSM 900/1800
Network Status Live since July 2005
Website vivacell.am

Azerbaijan

Operator Name Azercell Telecom BM
Network Name AZERCELL GSM
Technology / Frequency GSM 900
Network Status Live since December 1996
Website azercell.com
Operator Name J.V. Bakcell
Network Name BAKCELL GSM 2000
Technology / Frequency GSM 900
Network Status Live since December 1998
Website bakcell.com

Bangladesh

Operator Name Bangladesh Telegraph and Telephone Board (BTTB)
Network Name bMobile
Technology / Frequency GSM 900
Network Status Planned December 2004
Website bttb.gov.bd
Operator Name GrameenPhone Ltd
Network Name GrameenPhone
Technology / Frequency GSM 900
Network Status Live since March 1997
Website grameenphone.com
Operator Name Sheba Telecom (Pvt.) Ltd.
Network Name Banglalink
Technology / Frequency GSM 900
Network Status Live since September 1998
Website banglalinkgsm.com
Operator Name TM International (Bangladesh) Ltd
Network Name AKTEL
Technology / Frequency GSM 900
Network Status Live since October 1997
Website aktel.com

Bhutan

Operator Name B-Mobile
Network Name B-Mobile
Technology / Frequency GSM 900
Network Status Live since November 2003
Website b-mobile.net.bt

China

Operator Name China Mobile
Network Name CHINA MOBILE
Technology / Frequency GSM 900
Network Status Live since November 1994
Website chinamobile.com
Operator Name China Unicom
Network Name CHINA UNICOM GSM
Technology / Frequency GSM 900
Network Status Live since July 1995
Website chinaunicom.com.cn

China, Hong Kong

Operator Name China Resources Peoples Telephone Company Ltd
Network Name PEOPLES
Technology / Frequency GSM 1800
Network Status Live since January 1997
Website peoples.com.hk
Operator Name Hong Kong CSL Limited
Network Name HK CSL
Technology / Frequency GSM 900/1800
Network Status Live since July 1993
Website hkcsl.com
Operator Name Hong Kong CSL Limited
Network Name HK CSL
Technology / Frequency 3G
Network Status Live since December 2004
Website hkcsl.com
Operator Name Hutchison Telecom (HK) Ltd
Network Name 3
Technology / Frequency GSM 900/1800
Network Status Live since May 1995
Website three.com.hk
Operator Name Hutchison Telecom (HK) Ltd
Network Name 3
Technology / Frequency 3G
Network Status Live since January 2004
Website three.com.hk
Operator Name New World PCS
Network Name New World Mobility
Technology / Frequency GSM 1800
Network Status Live since August 1997
Website nwmobility.com
Operator Name SmarTone Mobile Communications Limited
Network Name SmarToneVodafone
Technology / Frequency GSM 900/1800
Network Status Live since January 1993
Website smartone-vodafone.com.hk
Operator Name SmarTone Mobile Communications Limited
Network Name SmarToneVodafone
Technology / Frequency 3G
Network Status Live since December 2004
Website smartone-vodafone.com.hk
Operator Name SUNDAY Communications Ltd
Network Name SUNDAY
Technology / Frequency GSM 1800
Network Status Live since June 1997
Website sunday.com
Operator Name SUNDAY Communications Ltd
Network Name SUNDAY
Technology / Frequency 3G
Network Status Live since June 2005
Website sunday.com

China, Macau

Operator Name CTM
Network Name CTM
Technology / Frequency GSM 900/1800
Network Status Live since July 1995
Website ctm.net
Operator Name Hutchison Telephone (Macau) Company Ltd
Network Name Hutchison Telecom Macau
Technology / Frequency GSM 900/1800
Network Status Live since August 2001
Operator Name SmarTone Mobile Communications (Macau) Ltd
Network Name SmarTone
Technology / Frequency GSM 900/1800
Network Status Live since August 2001

Georgia

Operator Name Geocell Ltd
Network Name GEOCELL
Technology / Frequency GSM 900/1800
Network Status Live since December 1996
Website geocell.com.ge
Operator Name Magti GSM
Network Name MAGTI GSM
Technology / Frequency GSM 900/1800
Network Status Live since September 1997
Website magtigsm.com

India

Operator Name Aircel Cellular Ltd.
Network Name Aircel Cellular Ltd. - City of Madras
Technology / Frequency GSM 900
Network Status Live since September 1995
Website rpgcellular.com/
Operator Name Aircel Digilink India Ltd
Network Name Hutch-Haryana - Haryana
Technology / Frequency GSM 900
Network Status Live since July 1997
Operator Name Aircel Digilink India Ltd
Network Name Hutch-Rajasthan - Rajasthan
Technology / Frequency GSM 900
Network Status Live since August 1997
Operator Name Aircel Digilink India Ltd
Network Name Hutch-UP East - UP East
Technology / Frequency GSM 900
Network Status Live since June 1997
Operator Name Aircel Limited
Network Name AIRCEL - Tamilandu Circle
Technology / Frequency GSM 900
Network Status Live since April 1999
Website aircel.com
Operator Name Bharat Sanchar Nigam Limited
Network Name CellOne A&N
Technology / Frequency GSM 900
Network Status Multiple Networks - Earliest Live since November 2001
Website bsnl.co.in
Operator Name Bharti Hexacom Ltd
Network Name AIRTEL - Rajasthan, India
Technology / Frequency GSM 900
Network Status Live since December 1996
Operator Name Bharti Hexacom Ltd
Network Name AIRTEL - North East Circle, India
Technology / Frequency GSM 900
Network Status Live since April 2005
Operator Name Bharti Televentures Limited
Network Name Airtel - Assam, INDIA
Technology / Frequency GSM 900
Network Status Live since April 2005
Website airtelworld.com
Operator Name BPL Cellular Limited
Network Name BPL USWEST Cellular (Maharastra) - Maharashtra Circle, Cellular (Kerala) - Kerala, Cellular (Tamil Nadu) - Tamil Nadu)
Technology / Frequency GSM 900
Network Status Live since October 1996
Operator Name BPL Mobile Communications Ltd
Network Name BPL MOBILE - City of Bombay
Technology / Frequency GSM 900
Network Status Live since October 1995
Website bplmobile.com
Operator Name Dishnet Wireless Limited
Network Name Aircel - West Bengal, India, Assam, North East, Orissa, Himachal Pradesh, Jammu & Kashmir, Bihar
Technology / Frequency GSM 900/1800
Network Status Planned January 2005
Website dishnetwireless.com
Operator Name Fascel Limited
Network Name Hutch-Gujarat - Gujarat Circle
Technology / Frequency GSM 900
Network Status Live since September 1996
Website hutch.co.in/gujarathome/home/index.asp
Operator Name Hutchison Essar Mobile Services Limited
Network Name Hutch-Delhi - City of Delhi
Technology / Frequency GSM 900/1800
Network Status Live since November 1995
Website hutch.co.in
Operator Name Hutchison Essar South Limited
Network Name Hutch-Andhra Pradesh - Andhra Pradesh, Hutch-Chennai - Chennai, Hutch-Karnataka - Karnataka, Hutch-Punjab - Punjab
Technology / Frequency GSM 1800
Network Status Live since July 2003
Operator Name Hutchison Essar South Limited
Network Name Hutch- UP West - INDIA
Technology / Frequency GSM 900
Network Status Live since March 2004
Operator Name Hutchison Essar South Limited
Network Name Hutch - West Bengal
Technology / Frequency GSM 900
Network Status Live since August 2004
Operator Name Hutchison Max Telecom Ltd
Network Name Orange - City of Bombay
Technology / Frequency GSM 900/1800
Network Status Live since November 1995
Website orange.co.in
Operator Name Hutchison Telecom East Limited
Network Name Hutch-Kolkata - City of Calcutta
Technology / Frequency GSM 900
Network Status Live since July 1995
Website hutch.co.in
Operator Name IDEA Cellular Limited
Network Name IDEA Cellular Limited - Gujarat - Gujarat Circle
Technology / Frequency GSM 900
Network Status Live since September 1996
Website ideacellular.com
Operator Name IDEA Cellular Limited
Network Name IDEA Cellular Limited - Andhra Pradesh - Andhra Pradesh Circle
Technology / Frequency GSM 900
Network Status Live since September 1996
Website ideacellular.com
Operator Name IDEA Cellular Limited
Network Name IDEA Cellular Limited - Maharashtra - Maharashtra Circle
Technology / Frequency GSM 900
Network Status Live since September 1996
Website ideacellular.com
Operator Name IDEA Cellular Limited
Network Name IDEA CELLULAR LIMITED - Delhi - Delhi Circle
Technology / Frequency GSM 1800
Network Status Live since July 2002
Website ideacellular.com
Operator Name IDEA Cellular Limited
Network Name IDEA Cellular Limited - Madhya Pradesh
Technology / Frequency GSM 900
Network Status
Website ideacellular.com
Operator Name Idea Mobile Communications
Network Name Idea (Escotel) Haryana - Escotel Haryana
Technology / Frequency GSM 900
Network Status Live since October 1996
Website escotelmobile.com/
Operator Name Idea Mobile Communications
Network Name Idea (Escotel) UP West - Escotel UP (West)
Technology / Frequency GSM 900
Network Status Live since October 1996
Website escotelmobile.com/
Operator Name Idea Mobile Communications
Network Name Idea (Escotel) Kerala - Escotel Kerala
Technology / Frequency GSM 900
Network Status Live since October 1996
Website escotelmobile.com/
Operator Name Mahanagar Telephone Nigam Ltd
Network Name Mahanagar Telephone Nigam Ltd
Technology / Frequency GSM 900
Network Status Live since February 2001
Website bol.net.in/
Operator Name Reliance Telecom Private Ltd
Network Name Reliance Telecom Private Ltd - North East
Technology / Frequency GSM 900
Network Status Multiple Networks - Earliest Live since September 1996
Operator Name Spice Communications Limited
Network Name Spice Telecom - Punjab
Technology / Frequency GSM 900
Network Status Live since May 1997
Website spiceindia.com
Operator Name Spice Communications Limited
Network Name Spice Telecom - Karnataka
Technology / Frequency GSM 900
Network Status Live since May 1997
Website spicetele.com

Japan

Operator Name NTT DoCoMo, Inc
Network Name NTT DoCoMo, Inc
Technology / Frequency 3G
Network Status Live since October 2001
Website nttdocomo.com/top.shtml
Operator Name Vodafone K.K.
Network Name J-Phone
Technology / Frequency 3G
Network Status Live since December 2002
Website j-phone.com/index.html

Kazakhstan

Operator Name GSM Kazakhstan Ltd
Network Name K'CELL
Technology / Frequency GSM 900
Network Status Live since February 1999
Website kcell.kz/
Operator Name Kar-Tel Ltd
Network Name K-MOBILE
Technology / Frequency GSM 900
Network Status Live since February 1999
Website k-mobile.kz

Korea, Democratic People's Republic of

Operator Name Korea Posts and Telecommunications Corporation (KPTC)
Network Name SUN NET
Technology / Frequency GSM 900
Network Status Live since October 2003

Korea, (South) Republic of

Operator Name KT Freetel Co., Ltd
Network Name KTF
Technology / Frequency 3G
Network Status Live since December 2003
Website ktf.com
Operator Name SK Telecom
Network Name SK Telecom
Technology / Frequency 3G
Network Status Live since December 2003
Website sktelecom.com

Kyrgyzstan

Operator Name Bitel Ltd
Network Name BITEL
Technology / Frequency GSM 900
Network Status Live since September 1998
Website bitel.kg/

Maldives

Operator Name Dhivehi Raajjeyge Gulhun Private Ltd
Network Name DHIMOBILE
Technology / Frequency GSM 900
Network Status Live since November 1999
Website dhiraagu.com.mv
Operator Name Wataniya Telecom Maldives Pvt. Ltd
Network Name WMOBILE
Technology / Frequency GSM 900
Network Status Planned August 2005
Website wataniya.com

Mongolia

Operator Name MobiCom
Network Name MobiCom
Technology / Frequency GSM 900
Network Status Live since March 1996
Website mobicom.mn

Nepal

Operator Name Nepal Telecommunications Corporation
Network Name Nepal Telecommunications Corporation
Technology / Frequency GSM 900
Network Status Live since May 1999
Website ntc.net.np
Operator Name Spice Nepal Private Ltd
Network Name Mero Mobile
Technology / Frequency GSM 900/1800
Network Status Planned April 2005

Pakistan

Operator Name Mobilink-PMCL
Network Name Mobilink
Technology / Frequency GSM 900
Network Status Live since August 1994
Website mobilinkgsm.com
Operator Name Pakistan Telecommunciation Mobile Ltd
Network Name Ufone
Technology / Frequency GSM 900
Network Status Live since January 2001
Website ufonegsm.com/
Operator Name Paktel Limited
Network Name PAKTEL
Technology / Frequency GSM 900
Network Status Live since April 2004
Website paktel.com
Operator Name Telenor Pakistan (Pvt) Ltd.
Network Name Telenor Pakistan (Pvt) Ltd.
Technology / Frequency GSM 900/1800
Network Status Live since March 2005
Website telenor.com/pakistan
Operator Name Warid Telecom (PVT) Ltd
Network Name Warid Telecom (PVT) Ltd
Technology / Frequency GSM 900/1800
Network Status Live since May 2005
Website waridtel.com

Russia / Russian Federation

Operator Name Bashcell, CJSC
Network Name BASHCELL
Technology / Frequency GSM 1800
Network Status Planned May 2003
Website bashcell.com
Operator Name Baykalwestcom
Network Name Baykalwestcom
Technology / Frequency GSM 900
Network Status Live since July 1999
Website bwc.ru
Operator Name Cellular Communications of Udmurtia
Network Name Cellular Communications of Udmurtia
Technology / Frequency GSM 1800
Network Status Live since September 2003
Website bee-portal.ru
Operator Name Cellular Telephone Company of Kuzbass GSM (JSC CTeK GSM)
Network Name KEDR RMS - Kemorovo
Technology / Frequency GSM 900
Network Status Live since July 1998
Operator Name Central Telecommunication Company
Network Name Tambovskaya Electrosvyaz
Technology / Frequency GSM 900
Network Status Live since September 1997
Website tmb.ru
Operator Name Chelyabinsk Cellular Communications LLC
Network Name Tele2-Chelyabinsk
Technology / Frequency GSM 1800
Network Status Live since July 2003
Website tele2.com
Operator Name CJSC Novgorod Telecommunications
Network Name INDIGO - Novgorod Oblast
Technology / Frequency GSM 1800
Network Status Planned July 2003
Website indigo.nov.ru
Operator Name CJSC Sonic Duo
Network Name Sonic Duo
Technology / Frequency GSM 900/1800
Network Status Live since September 2001
Website megafonmoscow.ru/english/visitors
Operator Name Close Corporation Kemerovo Mobile Communication
Network Name TELE2 - Kemerovo Region
Technology / Frequency GSM 1800
Network Status Live since July 2003
Website kmc.ru
Operator Name Dal Telecom International
Network Name Dal Telecom International
Technology / Frequency GSM 1800
Network Status Live since September 2002
Website dti.ru
Operator Name DonTeleCom
Network Name DTC
Technology / Frequency GSM 900
Network Status Live since July 1995
Website rnd.mts.ru
Operator Name Ermak RMS
Network Name Ermak RMS
Technology / Frequency GSM 900
Network Status Live since May 1995
Website ermak.okrtel.ru
Operator Name Extel Mobile Com. System
Network Name EXTEL
Technology / Frequency GSM 900
Network Status Live since April 1998
Website extel-gsm.com
Operator Name Far East Telecommunications Company OJSC
Network Name Far East Telecommunications Company OJSC
Technology / Frequency GSM 900
Network Status Live since November 2001
Website dsv.ru
Operator Name Far Eastern Cellular Systems - 900
Network Name Far Eastern Cellular Systems - 900
Technology / Frequency GSM 900
Network Status Live since August 1998
Website khv.mts.ru
Operator Name Gorizont-RT Ltd
Network Name Gorizont-RT Ltd
Technology / Frequency GSM 900
Network Status Live since August 1994
Operator Name Joint-stock company - Orensot
Network Name ORENSOT - Orenburg
Technology / Frequency GSM 900
Network Status Live since July 2001
Website orensot.ru
Operator Name JSC Mobicom-Center
Network Name Mobicom-Center JSC
Technology / Frequency GSM 900/1800
Network Status Live since November 2002
Operator Name JSC Uralsvyazinform
Network Name JSC Uralsvyazinform
Technology / Frequency GSM 900
Network Status Live since October 2000
Website usi.ru
Operator Name MegaFon, Open Joint Stock Company
Network Name MegaFon
Technology / Frequency GSM 900/1800
Network Status Live since January 1995
Website nwgsm.com
Operator Name Mobile Communications Systems
Network Name Mobile Communications Systems
Technology / Frequency GSM 900
Network Status Live since June 1998
Website omsk-gsm.ru
Operator Name Siberian Cellular Systems 900
Network Name SCS-900
Technology / Frequency GSM 900/1800
Network Status Live since May 1998
Website scs-900.ru
Operator Name Uraltel
Network Name Uraltel
Technology / Frequency GSM 900
Network Status Live since July 1997
Website e-burg.mts.ru

Sri Lanka, formerly Ceylon

Operator Name Celltel Lanka Limited
Network Name CELLTEL INFINITI
Technology / Frequency GSM 900
Network Status Live since May 2000
Website celltel.lk
Operator Name Hutchison Telecommunications Lanka (Pte) Limited
Network Name Hutchison Telecommunications Lanka (Pvt) Limited
Technology / Frequency GSM 900
Network Status Live since September 2000
Operator Name Mobitel (Pvt) Limited
Network Name Mobitel
Technology / Frequency GSM 1800
Network Status Live since November 2003
Website mobitellanka.com
Operator Name MTN Networks (Private) Limited
Network Name DIALOG
Technology / Frequency GSM 900
Network Status Live since March 1995
Website dialog.lk

Tajikistan

Operator Name Indigo Tajikistan
Network Name Indigo Tajikistan
Technology / Frequency GSM 900
Network Status Live since July 2002
Website indigo.tj
Operator Name JOSA Babilon-Mobile
Network Name Babilon-M
Technology / Frequency GSM 900
Network Status Live since August 2002
Website babilon-m.com
Operator Name JV Somoncom
Network Name JV Somoncom
Technology / Frequency GSM 900
Network Status Live since March 2000
Website somoncom.com
Operator Name TT Mobile, Closed joint-stock company
Network Name Mobile Lines of Tajikistan
Technology / Frequency GSM 900/1800
Network Status Live since December 2001
Website http://www.mlt.tj

Turkmenistan

Operator Name Altyn Asyr MC
Network Name Altyn Asyr
Technology / Frequency GSM 900/1800
Network Status Planned September 2004
Website telecom.tm
Operator Name Barash Communication Technologies INC
Network Name Barash Communication Technologies INC
Technology / Frequency GSM 900
Network Status Live since February 2000

Uzbekistan

Operator Name Coscom
Network Name COSCOM
Technology / Frequency GSM 900
Network Status Live since April 1997
Website coscom.uz
Operator Name FE 'Uzdunrobita' Ltd
Network Name Uzdunrobita GSM
Technology / Frequency GSM 900/1800
Network Status Live since September 2002
Website uzdunrobita.uz
Operator Name Unitel LLC
Network Name DAEWOO-GSM
Technology / Frequency GSM 900/1800
Network Status Live since September 1997
Website unitel.uz
 
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