A 4G GPS tracker uses modern LTE cellular networks to transmit vehicle location and tracking data. Compared with older 2G or 3G devices, 4G trackers can offer better long-term network compatibility in regions where legacy networks are being retired. Depending on the model, features may include real-time tracking, geofencing, speed alerts, route history, and fleet management. Before choosing a 4G GPS tracker, verify supported LTE bands, local network coverage, SIM compatibility, and service requirements.