GSM Technology
Roaming Cellular Service in Asia (South East)
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

Brunei Darussalam

Operator Name B-Mobile Communications Sdn Bhd
Network Name b-mobile
Technology / Frequency 3G
Network Status Planned December 2005
Operator Name DataStream Technology
Network Name DTSCom
Technology / Frequency GSM 900
Network Status Live since September 1993
Website dst-group.com

Cambodia

Operator Name Cambodia Samart Communication Co Ltd
Network Name Hello GSM
Technology / Frequency GSM 900
Network Status Live since April 1999
Website hellogsm.com.kh
Operator Name Cambodia Shinawatra Co. Ltd
Network Name CAMBODIA SHINAWATRA
Technology / Frequency GSM 1800
Network Status Live since April 1998
Website camshin.com
Operator Name CamGSM
Network Name MOBITEL
Technology / Frequency GSM 900
Network Status Live since November 1996
Website mobitel.com.kh

East Timor-Leste

Operator Name Timor Telecom
Network Name Timor Telecom
Technology / Frequency GSM 900
Network Status Live since March 2003
Website timortelecom.tp

Hong Kong

see China, Hong Kong

Indonesia

Operator Name Excelcom
Network Name EXCELCOM
Technology / Frequency GSM 900/1800
Network Status Live since June 1996
Website xl.co.id
Operator Name PT Indonesian Satellite Corporation Tbk (INDOSAT)
Network Name INDOSAT
Technology / Frequency GSM 900/1800
Network Status Live since November 1994
Website indosat.com
Operator Name PT Indonesian Satellite Corporation Tbk (INDOSAT)
Network Name INDOSAT
Technology / Frequency GSM 1800
Network Status Live since August 2001
Website indosat.com
Operator Name PT Natrindo Telepon Seluler
Network Name Lippo Telecom
Technology / Frequency GSM 1800
Network Status Live since April 2001
Website lippotel.com
Operator Name PT Telekomunikasi Indonesia Tbk
Network Name PT Telekomunikasi Indonesia Tbk
Technology / Frequency GSM 1800
Network Status Planned November 2001
Website telkom.co.id/
Operator Name PT Telekomunikasi Selular
Network Name TELKOMSEL
Technology / Frequency GSM 900/1800
Network Status Live since September 1994
Website telkomsel.com
Operator Name PT. Cyber Access Communications
Network Name PT. Cyber Access Communications
Technology / Frequency GSM 1800
Network Status Planned October 2004
Operator Name PT. Cyber Access Communications
Network Name PT. Cyber Access Communications
Technology / Frequency 3G
Network Status Planned June 2006

Laos

Operator Name Lao Asia Telecommunication State Enterprise (LAT)
Network Name LAT MOBILE
Technology / Frequency GSM 900/1800
Network Status Planned June 2002
Website laotel.com/
Operator Name Lao Telecommunications
Network Name LAO TELECOMMUNICATIONS
Technology / Frequency GSM 900
Network Status Live since December 1994
Website laotel.com/
Operator Name Millicom Lao Co Ltd
Network Name Millicom Lao Co Ltd
Technology / Frequency GSM 900/1800
Network Status Live since April 2003

Macau

see China, Macau

Malaysia

Operator Name Celcom (Malaysia) Sdn Bhd
Network Name CELCOM GSM
Technology / Frequency GSM 900
Network Status Live since April 1995
Website celcom.com.my
Operator Name Celcom (Malaysia) Sdn Bhd
Network Name CELCOM
Technology / Frequency GSM 1800
Network Status Live since May 1998
Website celcom.com.my
Operator Name Celcom (Malaysia) Sdn Bhd
Network Name Celcom Malaysia
Technology / Frequency 3G
Network Status Live since April 2003
Website celcom.com.my
Operator Name DiGi Telecommunications Sdn Bhd
Network Name DiGi
Technology / Frequency GSM 1800
Network Status Live since May 1995
Website digi.com.my
Operator Name Maxis Communications Berhad
Network Name MMS & MB
Technology / Frequency GSM 900/1800
Network Status Multiple Networks - Earliest Live since May 1995
Website maxis.com.my
Operator Name Maxis Communications Berhad
Network Name MMS & MB
Technology / Frequency 3G
Network Status Planned December 2004
Website maxis.com.my

Myanmar, formerly Burma

Operator Name Myanmar Posts and Telecommunications
Network Name MPT GSM Network
Technology / Frequency GSM 900
Network Status Planned November 2000

Philippines

Operator Name Digital Telecommunications Phils, Inc
Network Name Digitel Mobile/Sun Cellular
Technology / Frequency GSM 1800
Network Status Live since March 2003
Operator Name Globe Telecom
Network Name Globe Telecom
Technology / Frequency GSM 900/1800
Network Status Live since October 1994
Website globe.com.ph
Operator Name Innove Communications, Inc.
Network Name Islacom
Technology / Frequency GSM 900
Network Status Live since July 1994
Website innove.com.ph
Operator Name Smart Communications Inc
Network Name SMART Gold
Technology / Frequency GSM 900/1800
Network Status Live since April 1999
Website smart.com.ph

Singapore

Operator Name MobileOne Ltd
Network Name MOBILEONE
Technology / Frequency GSM 900/1800
Network Status Live since April 1997
Website m1.com.sg
Operator Name MobileOne Ltd
Network Name MOBILEONE
Technology / Frequency 3G
Network Status Live since February 2005
Website m1.com.sg
Operator Name Singapore Telecom Mobile Pte Ltd
Network Name SingTel
Technology / Frequency GSM 900/1800
Network Status Live since March 1994
Website singtel.com
Operator Name Singapore Telecom Mobile Pte Ltd
Network Name SingTel-G18
Technology / Frequency GSM 1800
Network Status Live since March 1995
Website singtel.com
Operator Name Singapore Telecom Mobile Pte Ltd
Network Name SingTel
Technology / Frequency 3G
Network Status Live since February 2005
Website singtel.com
Operator Name StarHub Mobile Pte Ltd
Network Name StarHub Pte Ltd
Technology / Frequency GSM 1800
Network Status Live since April 2000
Website starhub.com
Operator Name StarHub Mobile Pte Ltd
Network Name StarHub Mobile Pte Ltd
Technology / Frequency 3G
Network Status Planned December 2004
Website starhub.com

Taiwan

Operator Name Chunghwa Telecom
Network Name Chunghwa Telecom
Technology / Frequency GSM 900/1800
Network Status Live since July 1995
Website cht.com.tw
Operator Name Far EasTone Telecommunications Co Ltd
Network Name Far EasTone
Technology / Frequency GSM 900/1800
Network Status Live since January 1998
Website fareastone.com.tw
Operator Name Far EasTone Telecommunications Co Ltd
Network Name Far EasTone
Technology / Frequency 3G
Network Status Live since July 2005
Website fareastone.com.tw
Operator Name KG Telecom
Network Name KG Telecom
Technology / Frequency GSM 1800
Network Status Live since December 1997
Website kgt.com.tw
Operator Name MobiTai
Network Name MOBITAI
Technology / Frequency GSM 900
Network Status Live since December 1997
Website mobitai.com.tw
Operator Name Taiwan Mobile Co., Ltd
Network Name Pacific GSM 1800
Technology / Frequency GSM 1800
Network Status Multiple Networks - Earliest Live since December 1997
Website twngsm.com.tw
Operator Name VIBO Telecom Inc
Network Name VIBO
Technology / Frequency 3G
Network Status Live since October 2005
Website vibo.com.tw

Thailand

Operator Name ACT Mobile Company, Limited
Network Name ACT GSM 1900
Technology / Frequency GSM 1900
Network Status Live since August 2001
Website thaimobile.co.th/
Operator Name ACT Mobile Company, Limited
Network Name ACT
Technology / Frequency 3G
Network Status Planned April 2005
Website thaimobile.co.th/
Operator Name Advanced Info Service PLC
Network Name AIS GSM
Technology / Frequency GSM 900
Network Status Live since October 1994
Website ais.co.th
Operator Name Digital Phone Co Ltd
Network Name GSM 1800
Technology / Frequency GSM 1800
Network Status Live since May 1998
Website dpc1800.com
Operator Name TA Orange Company Limited
Network Name True Wireless
Technology / Frequency GSM 1800
Network Status Live since August 2001
Website orange.co.th
Operator Name Total Access Communications Co
Network Name DTAC
Technology / Frequency GSM 1800
Network Status Live since November 1994
Website dtac.co.th

Vietnam

Operator Name Vietel Corporation
Network Name Viettel Mobile
Technology / Frequency GSM 900
Network Status Live since January 1998
Website vietel.com.vn
Operator Name Vietnam Posts & Telecommunications Corp
Network Name VINAPHONE
Technology / Frequency GSM 900
Network Status Live since June 1996
Website vnpt.com.vn
Operator Name Vietnam Posts & Telecommunications Corp
Network Name Mobifone
Technology / Frequency GSM 900
Network Status Live since April 1994
Website vnpt.com.vn
 
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