Rank |
Operator |
Technology |
Ownership |
1 |
AIS |
GSM, EDGE, EDGE+ |
INTOUCH Company (42.60%) |
2 |
DTAC |
GSM, EDGE |
Telenor (38.64%) |
3 |
True Move |
GSM, EDGE |
True Corporation |
4 |
GSM 1800 (Digital Phone) |
GSM |
Advanced Info Service (98.55%) |
5 |
True Move H (Hutch) |
UMTS, HSDPA, HSPA+ |
True Corporation |
6 |
CAT CDMA |
CDMA2000 1x, CDMA2000 EV-DO Rev.A |
CAT Telecom |
7 |
WEPCT |
PHS |
True Corporation |
8 |
TOT 3G |
UMTS, HSDPA, HSPA+ |
Telephone Organization of Thailand (TOT) |
9 |
MY |
UMTS, HSDPA, HSPA+ |
CAT Telecom |
The most common Sim cards used in Thailand are AIS, True Move, and Dtac.
1. AIS – available at service counters/ shops (eg. 7-eleven, Family Mart)
Website – http://www.ais.co.th/en/
2. Dtac – available to buy both at the companies of Dtac which can be seen in almost every shopping Mall and the convenience stores like 7-eleven
Website – http://www.dtac.co.th/en/
3. True Move – available to buy both at the companies of True Move which can be seen in almost every shopping Mall and shops
Website – http://truemoveh.truecorp.co.th/?In=en
Note- the rest of the Sim cards are not widely used and cannot be found to buy as easy as AIS, Dtac, and True Move. It is also now Thai Law that you must present your passport upon purchase of your new Thai sim card.