BU03 is an official Ai-Thinker UWB module based on DW3000 architecture for high-precision positioning and ranging. This Ai-Thinker BU03 module integrates an onboard ceramic antenna, RF circuit, and power management for compact UWB integration.
Ai-Thinker BU03 supports bidirectional ranging, TDOA, and PDOA positioning systems with up to 10 cm positioning accuracy and up to 6.8 Mbps data rate in suitable conditions.
Features
- Official Ai-Thinker BU03 module for UWB development.
- Supports TWR, TDOA, and PDOA positioning modes.
- Positioning accuracy up to 10 cm in suitable environments.
- Supports UWB CH5 and UWB CH9.
- Data rates up to 850 Kbps and 6.8 Mbps.
- Onboard ceramic antenna with integrated RF front-end.
- Optimized for low power, including sleep current below 1 uA.
- Compact form factor for embedded Ai-Thinker UWB applications.
Specifications
| Parameter |
Value |
| Model |
BU03 |
| Package |
SMD-24 |
| Size |
23.0 x 13.0 x 2.5 mm (+/-0.2 mm) |
| Antenna |
Onboard ceramic antenna |
| Center Frequency |
CH5 (6489.5 MHz), CH9 (7987.2 MHz) |
| Operating Temperature |
-40 C to 85 C |
| Storage Temperature |
-40 C to 125 C, <90% RH |
| Power Supply |
2.5V to 3.6V (typical 3.3V), current >=200mA |
| Interface |
SPI |
| I/O |
9 |
Applications
- Ai-Thinker UWB indoor positioning and real-time tracking.
- Robotics and industrial location-aware systems.
- Hospital personnel and asset positioning.
- Warehouse and logistics UWB positioning deployments.
- Smart wearable and IoT distance/ranging products.
Packing List
Related Articles
- Ai-Thinker UWB BU03 DW3000 Plan Kit Application Guide
- Ai-Thinker UWB BU03 DW3000 Development Guide
- Ai-Thinker UWB BU03 DW3000 Plan Kit Review
- BU03-Kit UWB Calibration Guide
Resources
- BU03 Module Specification (Official)
- BU03/BU04 AT Command (Official)
- UWB Module Comparison Table (Official)
- BU Series Module Topic (Official)
FAQ
What is BU03 used for?
BU03 is used for Ai-Thinker UWB positioning, ranging, and RTLS applications.
What positioning methods are supported?
TWR, TDOA, and PDOA are supported.
What is the maximum data rate?
Up to 6.8 Mbps, with support for 850 Kbps mode.
What is the positioning accuracy?
Official material states up to 10 cm positioning accuracy.
Does BU03 provide pin information?
Yes. The listing includes the pin diagram image and the official specification link in Resources.
Unconditional Satisfaction Guarantee
