Angle of Arrival (AoA) positioning algorithm locates the position of an AoA tag based on the signal’s arrival angle. Bluetooth AoA locating system is featured by its sub-meter accuracy, high capacity, high compatibility, low cost and low energy. AoA-based RTLS solutions can be applied to a wide range of scenarios, including healthcare, manufacturing, retailing, transportation, public security, and etc.
Ultra Wide Band (UWB) is a technology to transmit data by sending or receiving narrow pulse across a GHz level bandwidth. UWB locating system boasts high accuracy and stability, with a relatively higher cost than other locating technology. It is often applied in factories, law enforcement agencies, automotive assembly lines, logistic warehouses, power plants, and etc.
| Technology | Bluetooth AoA | UWB |
| Protocol | Anchor: Bluetooth 5.1 Tag: Bluetooth 4.0+ | Anchor UWB Tag UWB |
| Typical accuracy | 0.1 ~ 0.5 m | 0.1~ 0.3 m |
| Refresh rate | High | Medium |
| Compatibility | various AoA tags such as mobile phones, bracelets, watches, Beacon, etc. | UWB Tag |
Tag power consumption | Low | High |
| Anchor cost | General | High |
| Tag cost | Low | High |
| loTanchor capabilities | Yes | No |