China Unicom [USA, Canada, Mexico] 30-Day Data SIM Card (1GB high-speed data daily, followed by unlimited standard data)

- Coverage: USA, Canada, Mexico
- Network Providers: USA (AT&T), Canada (Rogers), Mexico (AT&T)
- Validity Period: Valid for 30 days from the day of successful activation.
- Must enable "Data Roaming" in phone settings.
- This card provides mobile data services only; voice call minutes are not included.
- Fair Usage Policy: Once the daily data usage reaches the 1GB "Fair Usage Data Limit," customers can still use mobile data services, but data transmission speed will be slowed and restricted (up to 512kbps), and cannot be used for tethering or peer-to-peer transmission.

- Mobile hotspot data sharing is not supported; data cannot be shared.
- Supports services such as Facebook, WeChat, WhatsApp, and Google.
- WhatsApp calls and WeChat calls are supported.
- This SIM card cannot be topped up.
- Real-name registration is not required for this card.