UAV Radar Altimeter
KBK-25

Dimensions including battery Φ35mm H- 15mm

Total Weight

50 g

Option – other Power source

4V – 30V

Passive consumption

100 mW 

Consumption in radar active mode

600 mW

Frequency band 

K-Band 24GHz

Bandwidth 

Modulation 

FMCW 

Vertical Speed Detection

0,4-1000 m/sec

Horizontal & Vertical Field of View

30 degree * 20 degree 

Measuring range

1m-25 m over following conditions:

• Approach Velocity from 0,4-1000 m/sec

• Approach Angles from 15° to 90°

• Target Reflectivity range +5,5dB to -17 dB 

Target surfaces Reflectivity +5,5dB to -17 dB

  • Soil (Wet and Dry)
  • Water
  • Concrete
  • Forest (Dense Foliage)
  • Desert sand 

ALL WEATHER CONDITIONS:

  • Rain 
  • Fog
  • Hurricane
  • Heavy snow
  • Forest leaves 

Min Operational Altitude

1 m

Max Operational Altitude

25 m

Measurement period (Scan rate)

300  micro seconds

Altitude precision at 10 m/sec

1 cm

Jamming resistance

Еncoded digital signal with frequency hopping

Maximum output current

3.5 A @ 3.5V

Immunity to interferences and clutter-

No early burst

 

a) Digital radar filters

b) Radar sensor activation at preset time AFTER the maximum height is reached

(top of the trajectory zero g) 

Supported Interface 

UART(Universal Asynchronous Receiver/Transmitter), CAN Controller Area Network

Update Rate 

UART 82Hz, CAN 86Hz 

Connector 

4PIN GPIO/JST. SPI - Serial Peripheral Interface 

Operation temperature 

-40C to +60 C 

Storage temperature

-60C to +85 C

Environmental Conditions: 

IP67 Dust: No ingress. Water: 30 mins immersion at 1m depth 

Warranty 

12 Months 

Materials 

RoHS complaint 

Export

ITAR free. Export licence not required 

UART

Baud rate is 115200 b/s

Data length is 6 bits, plus one stop bit, and parity bit

I/O standard is 3.3V LVTTL

CAN Data Protocol Specifications

CAN Protocol 2.0

  • Baud Rate: 1 Mb/s
  • Frame ID: customized (Standard Frame, Extended Frame)
1 Reserved Upgrade Path

2 CAN_L 

Dominant Low

3 CAN_GND 

Ground 

4 Reserved

Upgrade Path 

5 CAN_SHLD

Shield

6 GND

Ground 

7 CAN_H 

Dominant High 

8 Reserved 

Upgrade Path 

9 CAN_V+ 

Power 

Data Packet Definition

Altitude Drop-off Example

Wire Color UART CAN

Black

Ground

Ground

White

RX(Radar) 

CAN_LOW 

Green

TX(Radar) 

CAN_HI 

Red 

Voltage(5~13V

Voltage(5~13V)