A wireless SIM card CCTV camera is a useful option for households that do not have a fixed internet connection. Rather than connecting to a WiFi router, a compatible 4G camera uses a SIM card with an active mobile data plan. This allows supported devices to transmit video to a smartphone application for remote monitoring. A triple-lens design can help provide different perspectives of the surrounding property, although the actual coverage depends on the lens arrangement and camera specifications. This type of security equipment may suit rural homes, farms, holiday houses, and temporary residences. Buyers should verify supported mobile network bands, data usage, recording options, and installation requirements before purchasing.