AeriSIM does offer unlimited data eSIM plans that are valid for the Czech Republic. The unlimited plans are available with a range of validity periods from 1 day up to 30 days, with prices ranging from about $2.21 for a 1‑day plan to roughly $44.98 for a 30‑day plan. The highest‑speed plan allows up to 10 000 kbps, while the other unlimited plans cap maximum speed at 5 000 kbps. All plans list a statement that speed may be throttled, indicating a fair‑usage policy that could reduce performance after heavy use.
Users who are concerned about potential speed restrictions should contact AeriSIM for confirmation of the fair‑usage policy details and the amount of data that can be used at normal speed before throttling applies.