UAV Altimeter Radar NRA15
keyword：
Millimeter wave radar series
whatsapp：
+86 152 0048 8528
INTRODUCTION
NRA15 is a compact K-band radar altimeter developed by Hunan Nanoradar Science and Technology Co., Ltd. It adopts 24GHz Band, with the advantages of 4cm measuring accuracy, small size, high sensitivity, light weight, easy integration and stable performance, which satisfies the application requirements in unmanned aerial vehicle (UAV), helicopters, small airships and other field. Its product performance has been recognized by many partners.
Features：
- Work in 24GHz Band for the detection of moving targets
- Adaptable for grasslands and other environment
- With UART interface
- With measurement accuracy of 0.1m
- With the measurement range of 100m
- RoHS compliant
Application：
- Safety range measurement and collision avoidance in UAVs
SPECIFICATIONS
| System performance | |||
Transmit frequency | 24.00~24.25GHz | Update rate | 40Hz |
| Transmit power | 23dBm | Modulating waveform | FMCW |
| Interface | CAN/UART | ||
| Measuring performance | |||
| Distance range | 0.5~100m | Ranging accuracy | ±0.1m |
| Beam width（azimuth angle） | 41° | Beam width（elevation angle） | 37° |
Operating conditions | |||
| Operating voltage | 5~16V DC | Power Consumption | 1.1W |
Operating temperature | -40~+85℃ | Storage temperature | -40~+85℃ |
| Protection rating | IP66 | ||
| Housing | |||
| Overall dimensions (LxWxH) | 102 × 56 × 16.5mm | Weight | 81g |
ADVANTAGES
 | High Precision, Low Power Consumption Adopting an integrated MMIC solution, it features ultra-low power consumption (1.1W), compact size(102×56×16.5mm), and ±0.1m distance accuracy. Its lightweight design meets the high-performance and environmental adaptability requirements for applications like agricultural drones and delivery drones in altitude measurement scenarios. |
 | Easy to Use, Adapts to Complex Terrains Equipped with universal interfaces (UART/CAN), it can be quickly integrated with upper-level computers or other MCUs. |
 | Seamless Integration with APM & PX4 As an official partner of APM and PX4, Nanoradar's drone radars are seamlessly compatible with these flight control platforms. The communication protocols are fully adapted for plug-and-play functionality. |
APPLICATION
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FAQ
NRA15/NRA24 | Radar testing
1.Testing is recommended outdoors, as indoor multipath effects may cause data deviations.
2.Ensure the radar antenna faces downward during testing.
3.For trees/grasslands, adjust the reference height based on density (e.g., use tree height for dense foliage).
NRA15/NRA24 | Verifying Radar Operation
With stable power and correct wiring, if the host shows no output:
Use a serial port tool or CANtest to check raw data output.
Verify data format compliance with the protocol.
If possible, inspect the radar’s LED indicators: a steady power light and blinking algorithm light indicate normal operation.
NRA15/NRA24 | Open-Source Flight Controller Versions
It offers custom versions for open-source flight controllers. For development support, contact Nanoradar’s technical team.
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