Yes. Earth Esim sells several unlimited data eSIM plans that work in Tonga. The plans range from 1 day to 10 days of validity, and their published price ranges from $6.99 USD for a single‑day activation up to $49.99 USD for a ten‑day period. Each unlimited plan allows tethering and carries a maximum speed of 1000 kbps with a note that speed may be throttled after heavy use. For users concerned about potential speed throttling, Earth Esim’s Fair Usage Policy may apply, and it is advisable to contact the provider directly to confirm the typical data amount that can be used at normal speed and any limits that could be imposed.