Thailand SIM Card (AIS) will require a SIM-unlocked GSM 900 / 1800 compatible international cell phone

http://www.telestial.com/gsm_phones.php?COMPATIBLE_WITH_PRODUCT_ID=LSIM-TH01

When we were in SE Asia a few yrs ago, we utilized internet cafes. Good enough for the occasional call.

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'07 Yukon 2500
'13 Subaru Outback 3.6R
'13 Orbea Carpe 9-speed

Currently Benzless
Formerly: 300TD, S600, E55, 560SEL

---= The forest breathes, listen.
-Native American elder