Yesim does offer unlimited data eSIM plans for Cambodia. The provider lists several options, including a Cambodia‑only plan that is unlimited for 1 day at $8.17 USD, 7 days at $43.20 USD, 15 days at $64.22 USD, and 30 days at $71.23 USD. In addition, an Asia Pacific unlimited plan covering Cambodia and fourteen other countries is available for 1 day at $8.17 USD, 7 days at $29.19 USD, 15 days at $46.71 USD, and 30 days at $71.23 USD, while a Global Plus Package unlimited plan covering 145 countries, including Cambodia, costs $75.90 USD for 7 days and $115.60 USD for 15 days. All these unlimited plans include tethering and state that speed may be throttled after heavy usage, reflecting a Fair Usage Policy. Travelers who are concerned about potential speed restrictions should contact Yesim directly to confirm the specifics of the policy and the typical amount of data that remains at normal speed.