1. The virtual cellular SIM card in the package is provided for free, it contains a 300M cellular data package with a limited due date within 30 days after you activate it. If your area cannot find a good signal with the provided SIM card, we suggest you buy another SIM card at the T mobile or AT&T service hall.
2. US Network Operator: 4G T-Mobile, AT&T (Prepaid Data Plan Recommended). Or, apply for a Verizon 4G sim card from a local carrier.
3. The US version camera is suitable for use in North America, and Mexico. The rest of the countries buy the Worldwide version camera. Such as Canada, Germany, the UK, Asia, and some African countries, etc. The worldwide version camera does not include a sim card. Please buy a Worldwide version camera if install the 4G camera in the Caribbean or other remote areas.