AeriSIM does provide unlimited data eSIM plans for Thailand. The unlimited plans are available with validity periods ranging from 1 day up to 20 days and are priced between $1.24 and $26.96 USD, depending on the chosen duration. Each plan allows tethering, operates on 5G networks, has a maximum speed of 10000kbps, and notes that speed may be throttled after heavy usage. If you have concerns about potential speed restrictions or want to confirm the Fair Usage Policy details, you should contact AeriSIM directly for confirmation.