Which bank in Thailand charge the cheapest fee for international transfer wire from Bank of america ka?

I plan to send money back to Thailand via BOA. SO, I was wondering which bank in Thailand charges the transfer fee at the lowest rate ka. In addition, what is the maximum amount that I can transfer money without reporting to US federal ka? Just in case ka. By the way, what is the difference between BOA transfer fee at $35 and $45 rate ka?
โปรดศึกษาและยอมรับนโยบายข้อมูลส่วนบุคคลก่อนเริ่มใช้งาน อ่านเพิ่มเติมได้ที่นี่