Product overview
The ZKRT-RA05K provides height and distance information for low-altitude flight applications, including installation on UAVs, helicopters and small airships. Its radar architecture combines highly integrated MMIC technology with FMCW operation and one transmit antenna plus one receive antenna. The hardware is a compact sensor measuring 113.75 × 68.75 × 14.4 mm and weighing 89 g. These dimensions define the physical space needed for integration, while UART, RS485, RS232 and CAN provide the listed communication interfaces.
Detection extends from 0.3 to 500 m, with distance measurement accuracy specified as 0.02 m. Output refresh is typically 10 Hz and reaches a maximum of 20 Hz; the horizontal and vertical fields of view are ±6° and ±10° at -6 dB. Electrical integration requires 9–24 V, with 12 V typical, and power consumption spans 1.4–1.6 W. Operating limits are -40 to 85 °C and 5%–95% RH. Frequency specifications differ: the parameter table gives 24–24.5 GHz, while the descriptive specification gives 24–24.25 GHz.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | Guangdong Zhongke Ruitai Intelligent Technology Co., Ltd. ZKRT-RA05K |
| Product type | UAV altitude-measuring radar sensor |
| Radar architecture | Highly integrated MMIC chip technology |
| Operating mode | FMCW |
| Operating frequency | 24–24.5 GHz |
| Descriptive operating frequency | 24–24.25 GHz |
| Transmit power (EIRP) | Typical: 13 dBm |
| Data output refresh rate | Typical: 10 Hz; maximum: 20 Hz |
| Horizontal field of view | ±6°At -6 dB. |
| Vertical field of view | ±10°At -6 dB. |
| Distance measurement accuracy | 0.02 m |
| Minimum detection distance | 0.3 m |
| Maximum detection distance | 500 m |
| Communication interfaces | UART, RS485, RS232, CAN |
| Output content | Height and distance information |
| External dimensions | 113.75 × 68.75 × 14.4 mm |
| Product weight | 89 g |
| Antenna count | 1 TX / 1 RX |
| Operating temperature | -40 to 85 °C |
| Operating humidity | 5%–95% RH |
| Operating voltage |
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| Power consumption |
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| Intended carrier types and measurement purpose | For installation on UAVs, helicopters and small airships to measure aircraft-to-ground or aircraft-to-target distance in real time |
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