Ultra-wideband (UWB) fits a warehouse when you need precise, continuous positions, for example to warn a forklift that a tagged pedestrian is close or to enforce speed zones. Bluetooth Low Energy (BLE) costs less per tag and per anchor but estimates position from signal strength, so it suits knowing which zone a truck or asset is in. Passive RFID does not track continuously: it records a tag when it passes a reader, such as at a dock door or an aisle entry. Many sites combine them, matching each use case to the accuracy it needs.
The full comparison is forklift fleet tracking technologies. UWB measures distance by timing short radio pulses, which holds up in racked aisles and is the usual basis for tag-based collision warning. BLE positions shift with metal racking and stock levels, which is acceptable for utilization reports and asset search but weak for safety alerts. RFID suits checkpoint logic: a truck passing a doorway, a pallet crossing a gate. Before choosing, list what each use case needs to know, how often and how precisely, then price anchors, tags and installation for the whole floor. For safety use, see proximity detection technologies compared.