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Ai-Thinker UWB BU03 is an ultra wideband (UWB) module designed by Ai-Thinker Co., Ltd. based on Decawave's DW3000 series chip. BU03 integrates onboard ceramic antenna, RF circuit, power management. BU03 can be used in bidirectional ranging, TDOA or PDOA positioning systems, positioning accuracy can reach 10 cm and data rates of up to 6.8 Mbps are supported. It can be widely used in precision positioning, coal mine positioning, hospital personnel positioning, storage positioning, various indoor positioning and other fields.
Main Parameters
| Model | BU03 |
| Package | SMD-24 |
| Size | 23.0*13.0*2.5(±0.2)mm |
| Antenna | Onboard ceramic antenna |
| Center frequency | CH5(6489.5MHz),CH9(7987.2MHz) |
| Operating temperature | -40℃~ 85℃ |
| Storage temperature | ‘-40℃~ 125℃, < 90%RH |
| Power supply | Supply voltage 2.5V ~ 3.6V, typical value 3.3V. Power supply current ≥200mA |
| Interface | SPI |
| IO | 9 |
BU03 module has a total of 24 pins, such as the pin schematic diagram, and the pin function.
Products sealed in moisture-proof bags should be stored in a non-condensing atmospheric
environment of <40 °C /90%RH.
The module has a moisture sensitivity level MSL of level 3.
After the vacuum bag is unsealed, it must be used within 168 hours at 25±5℃/60%RH,
otherwise it needs to be baked before it can be put on line again.
BU03 module Specification
AT command
UWB module comparison table
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