BU04-Kit is an official Ai-Thinker UWB development board for high-precision positioning, tracking, and ranging. This Ai-Thinker BU04 platform is designed for indoor navigation, robotics, logistics, and industrial safety scenarios requiring stable UWB performance.

Ai-Thinker BU04-Kit supports bidirectional ranging, TDOA, and PDOA positioning, with positioning accuracy up to 10 cm in suitable environments. It integrates DW3000 + STM32F103, dual antenna architecture, and versatile interfaces for UWB RTLS deployment.

Features

• Official Ai-Thinker BU04-Kit platform for UWB development.
• 10 cm positioning precision for high-accuracy tracking applications.
• Dual onboard antennas with support for external IPEX antennas.
• Supports IEEE 802.15.4-2015 and IEEE 802.15.4z (BPRF).
• Supports UWB Channel 5 and UWB Channel 9.
• Data rates up to 850 Kbps and 6.8 Mbps.
• Integrated STM32F103 MCU and AES-256 hardware encryption.
• Interfaces include SPI, UART, I2C, and 20 GPIO.

Specifications

Applications

• Ai-Thinker UWB indoor positioning and navigation systems.
• Robotics and autonomous vehicle localization.
• Warehouse and logistics asset tracking.
• Hospital personnel and equipment positioning.
• Industrial safety monitoring and smart facility management.

Packing List

• BU04-Kitx1

Resources

• BU04-Kit Specification (Official)
• BU03/BU04 AT Command (Official)
• UWB Module Comparison Table (Official)
• BU Series Module Topic (Official)

FAQ

What is BU04-Kit used for?

Ai-Thinker BU04-Kit is used for Ai-Thinker UWB positioning, ranging, and RTLS prototyping.

What positioning methods are supported?

The Ai-Thinker BU04 platform supports bidirectional ranging, TDOA, and PDOA schemes.

What is the positioning accuracy?

Official material states up to 10 cm accuracy in suitable environments.

Which channels are supported?

UWB CH5 and UWB CH9 are supported.

What is the maximum data rate?

Up to 6.8 Mbps, with support for 850 Kbps mode.