Similar to your cellular phone, cellular security cameras need a SIM card with a data plan to tramsmit video signals over 3G/4G network.
The common SIM cards offered by carriers like T-Mobile and Vodafone can work for HXVIEW/BOLLNG 4G camers (as they can for your cellular phone). Click to check supported carriers in available countries and regions for this camera.
You can also contact our support team for consultation.
