trifa does not provide any unlimited data eSIM plans for Mongolia. The only plans available for that destination are fixed‑data packages, the most common offering being 100GB of high‑speed data with varied validity periods.
For travelers who need more than a few gigabytes, trifa supplies a range of fixed‑data options. Two representative examples are the 100GB / 3 days plan priced at $25.03 USD and the 100GB / 10 days plan priced at $67.30 USD; both include tethering and cover the entire country. Choosing a fixed plan can be more cost‑effective for most users unless they anticipate extremely heavy data usage and would prefer an unlimited option.