📡 BU04-Kit – High-Precision UWB Positioning & Tracking
The BU04-Kit is a UWB positioning module designed for indoor navigation, robotics, logistics, and industrial safety. With 10 cm positioning accuracy, dual antennas, and AES-256 hardware encryption, it ensures reliable and secure performance. Its integrated STM32F103 MCU and versatile interfaces (SPI, UART, I2C, GPIOs) make it ideal for IoT and smart tracking applications.
🌟 Features
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🎯 High Accuracy: Positioning precision up to 10 cm.
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📡 Dual Antenna: Onboard PCB antennas + IPEX external antenna support.
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📶 Standards: IEEE 802.15.4-2015 UWB, IEEE 802.15.4z (BPRF mode).
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⚡ Data Rates: 850 Kbps / 6.8 Mbps.
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🧠 Built-in MCU: Integrated STM32F103.
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🔌 Interfaces: SPI / UART / I2C + 20 GPIOs.
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🔒 Security: Hardware AES-256 encryption.
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🔋 Power Supply: USB Type-C / 3.3V / 5V (≥500mA).
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🌡 Operating Temp: -40°C ~ +85°C.
📐 Specifications
| Parameter | Value |
|---|---|
| Model | BU04-Kit |
| Package | DIP-40 / SMD-40 |
| Dimensions | 46 × 52 mm (±0.2 mm) |
| Frequency Channels | CH5 (6489.6 MHz), CH9 (7987.2 MHz) |
| Bandwidth | 499.2 MHz |
| Storage Temp | -40°C ~ 125°C (<90% RH) |
| Power Consumption | TX @0.85 Mbps: 45–53 mA / TX @6.8 Mbps: 43–51 mA / RX @0.85 Mbps: 50–79 mA / RX @6.8 Mbps: 51–79 mA |
🔌 Interfaces & I/O
| Interface | Description |
|---|---|
| UART1/UART2 | Serial communication |
| SPI / I2C | Peripheral integration |
| USB Type-C | Power + data |
| GPIOs | 20 available |
| Boot Modes | Flash / System Memory / SRAM |
💡 Applications
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Indoor Positioning & Navigation
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Robotics & Autonomous Vehicles
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Smart Warehouses & Logistics Tracking
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Hospital Staff & Asset Management
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Mining & Industrial Safety Monitoring
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Consumer Electronics with UWB Ranging