# Rd-03D mmWave Multi-Human Position Sensor

**Type:** Product page · **SKU:** CE10172 · **Brand:** [AI Thinker](https://core-electronics.com.au/brands/ai-thinker)
**Page:** https://core-electronics.com.au/mmwave-sensor-rd03d-presence-detection-sensor.html ([markdown](https://core-electronics.com.au/mmwave-sensor-rd03d-presence-detection-sensor.html.md))

Track people's position in smart home or robotics projects with this handy module!

## Pricing

- **Price:** $17.25 (inc GST) — $15.68 AUD, exc GST
- **Quantity discounts:** 5+ $15.36 (exc GST) · 12+ $14.90 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 58 today; more stock is typically available with a 14–21 day lead time.

## Restrictions

**For use in Australia**

- Operate only in bands and with settings that are permitted for your location and application. Check this product’s supported frequencies in the description/specs.
- If you intend to operate outside shared/licence‑exempt conditions (e.g. in other bands, at higher power, with high‑gain antennas, or extended duty cycles), you must have the appropriate authorisation.
 
**For use in other regions**

- Follow the spectrum rules for your country/region and select frequencies and settings accordingly.

A declaration of use will need to be submitted during checkout.

## Description

Looking for an intelligent smart home presence sensor? Or would you like to track people with a robot?

This module can output the X-Y coordinates of people.

*Note: Now includes [a Pico Blade connector](https://core-electronics.com.au/pico-blade-4p-to-dupont-connector-cable.html) (note the cable colours do not match - refer to the labels).*

### Specifications

- Power supply input: 5V up to 200mA
- Logic voltage: 3.3V (A logic level shifter is required for 5V systems)
- Communication method: UART
- Max sensing distance: 8m
- Range resolution: 0.75m
- Range accuracy: 0.15m
- Frequency: 24GHz
- Baud Rate: 256000
- Dimensions: 15mm x 45mm x 7mm
 
### Resources

- [Datasheet](https://core-electronics.com.au/attachments/uploads/rd-03d_v1.0.0_specification.pdf)

## Guides for this product

- [Using mmWave Radar to Detect and Track Humans \| Raspberry Pi Guide](https://core-electronics.com.au/guides/raspberry-pi/using-mmwave-radar-to-detect-and-track-humans-raspberry-pi-guide/)
- [How to add mmWave Radar to a Pico \| Detect and Track Humans](https://core-electronics.com.au/guides/raspberry-pi-pico/how-to-add-mmwave-radar-to-a-pico-to-detect-and-track-humans/)
- [Detect and Track Humans with mmWave Radar on an Arduino](https://core-electronics.com.au/guides/arduino/detect-and-track-humans-with-mmwave-radar-on-an-arduino/)
- [Effective Ways To Measure Distance In Maker Projects](https://core-electronics.com.au/guides/sensors/effective-ways-to-measure-distance-in-maker-projects/)

## Videos for this product

- [How To Use An mmWave Radar to Track Humans \| Rd-03D and Raspberry Pi](https://core-electronics.com.au/videos/how-to-use-an-mmwave-radar-to-track-humans-rd-03d-and-raspberry-pi)
- [How To Use An mmWave Radar to Track Humans \| Rd-03D and Raspberry Pi Pico](https://core-electronics.com.au/videos/how-to-use-an-mmwave-radar-to-track-humans-rd-03d-and-raspberry-pi-pico)
- [How To Use An Rd-03D mmwave Sensor To Create A Human Radar with Arduino](https://core-electronics.com.au/videos/how-to-use-an-rd-03d-mmwave-sensor-to-create-a-human-radar-with-arduino)
- [Effective Ways To Measure Distance In Your Maker Projects!](https://core-electronics.com.au/videos/effective-ways-to-measure-distance-in-your-maker-projects)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/c/e/ce10172-mmwave-person-detection-module-reverse-side.jpg)