China Unicom [United States, Canada and Mexico] 30-day Internet Card for the United States, Canada and Mexico (600MB high-speed data per day for subsequent use)

- Area of ​​use: United States, Canada, Mexico
- Network providers: United States (AT&T) Canada (Roger) Mexico (AT&T)
- Use period: Valid for 30 days from the day the card is successfully opened.
- Last activation date: 30/06/2025
- Requires "data roaming" to be enabled in phone settings
- This card only provides mobile data services and does not provide voice call minutes.
- Fair data usage: When the paid daily data usage reaches the "Fair Usage Data Usage Limit" of 600MB, customers can still use mobile data services, but their data transmission speed will be slowed down and limited (not less than 512kbps), and cannot be used Used for network sharing and point-to-point transmission.

- Mobile hotspot data sharing is not supported and data cannot be shared.
- Support Facebook, Wechat, Whatsapp, Google and other services.
- Can make Whatsapp calls and Wechat calls
- There is no value-added function for this SIM card
- This card does not require real-name registration