RFID vs BLE vs UWB Tracking
choose by event and accuracy.
Use passive RFID when you need reliable movement events at doors, conveyors, or choke points. Use BLE when zone-level proximity is enough and battery tags are acceptable. Use UWB when the operation needs precise real-time location and can support denser anchors, calibration, and higher tag cost. The right choice starts with the business event, not the radio technology.
Choose the radio by required accuracy, read behavior, tag cost, and infrastructure density
SRS Networks is a nationwide IT infrastructure deployment partner headquartered in South San Francisco, California, serving multi-site enterprises across 48 states since 1996. This page turns field-delivery requirements into a scope, comparison, and acceptance record a buyer can use.
RFID, BLE, and UWB decision matrix
| Technology | Operational strength | Infrastructure tradeoff |
|---|---|---|
| Passive RFID | High-volume portal and choke-point events | Reader fields require antenna design and tuning |
| BLE | Flexible zone and proximity visibility | Battery maintenance and gateway density |
| UWB | Precise real-time positioning | Dense geometry, calibration, sync, and higher cost |
Pallet movement favors RFID
A dock or conveyor creates a controlled event point. Passive tags need no battery, while antenna placement and RF containment decide read accuracy.
Zone visibility favors BLE
BLE is useful when knowing the room, bay, or general area is enough. Accuracy varies with gateway layout, building materials, and calibration.
Precise motion favors UWB
Forklift, tool, or person-level location can justify UWB where safety or process timing needs meter-level or better position. Precision costs more in anchors and commissioning.
When this is not the right approach
Do not select a technology from an accuracy chart alone. Pilot the real tags, materials, speeds, geometry, interference, and software workflow before setting a facility-wide standard.
Straight answers
Use passive RFID when you need reliable movement events at doors, conveyors, or choke points. Use BLE when zone-level proximity is enough and battery tags are acceptable. Use UWB when the operation needs precise real-time location and can support denser anchors, calibration, and higher tag cost. The right choice starts with the business event, not the radio technology.
Put a field-executable scope in front of the crew
Email the site count, geography, schedule, and current documents. Cheryl routes the request to the right deployment lead.
Plan a Tracking Pilot