UWB BU04 Dual-Antenna Indoor Positioning Module – 10cm Accuracy
UWB BU04 Dual-Antenna Indoor Positioning Module – 10cm Accuracy
UWB BU04 Dual-Antenna Indoor High-Precision Positioning Module
Take your indoor positioning projects to the next level with the BU04 UWB Positioning Module. Featuring dual transmit/receive channels and dual antenna design, this compact module delivers outstanding 10 cm positioning accuracy — making it ideal for robotics, asset tracking, smart warehousing, drone navigation, and any application demanding precise indoor location data.
Key Specifications
- Positioning Accuracy: 10 cm
- Configuration: Two Transmitters, Two Receivers, Dual Antenna Channels
- Package Types: SMD-34 / DIP-16
- Dimensions: 33.5 × 35.5 × 3.4 mm
- Supported Interfaces: SPI / UART / I2C
- Center Frequencies: CH5 (6489.5 MHz) & CH9 (7987.2 MHz)
- Color: Black
- Material: Plastic housing
- Country of Origin: Made in China
Why Choose the BU04 UWB Module?
- Sub-Decimeter Accuracy: Ultra-wideband technology achieves ~10 cm positional resolution, far superior to standard Bluetooth or Wi-Fi based positioning.
- Bidirectional Ranging: Supports two-way ranging for robust, reliable distance measurements even in complex indoor environments.
- Flexible Interface Support: Compatible with SPI, UART, and I2C, making integration with popular microcontrollers and development boards straightforward.
- Dual-Channel Antenna Design: Improves signal stability and overall system performance compared to single-antenna modules.
- Compact Form Factor: The small 33.5 × 35.5 × 3.4 mm footprint fits easily into embedded designs and enclosures.
- Multi-Frequency Operation: Supports CH5 and CH9 center frequencies for flexible deployment scenarios.
Package Contents
- 1 × UWB BU04 Dual-Antenna Positioning Module
Note: Only the above item is included. Other products shown in reference images are not included. Color may vary slightly due to lighting and display settings. Measurement tolerance: ±1–3 cm.
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Frequently Asked Questions
Q: What is the positioning accuracy of the BU04 UWB module?
A: The BU04 UWB indoor positioning module achieves a positioning accuracy of approximately 10 cm, making it one of the most precise options available for indoor location and ranging applications.
Q: Which communication interfaces does the BU04 UWB module support?
A: The module supports SPI, UART, and I2C interfaces, providing broad compatibility with a wide range of microcontrollers, development boards, and embedded systems.
Q: What frequency channels does the BU04 module operate on?
A: The BU04 operates on two center frequencies: CH5 at 6489.5 MHz and CH9 at 7987.2 MHz, giving you flexibility in deployment across different indoor environments and regulatory requirements.
Q: Is this module suitable for robotics or asset-tracking projects?
A: Yes. The BU04's dual-antenna, bidirectional ranging capability and 10 cm accuracy make it an excellent choice for robotics navigation, warehouse asset tracking, drone positioning, and other precision indoor location use cases.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.