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AST-SMMW-40 millimeter wave radar system is an efficient 24GHz radar solution with complete functions and low cost. It is able to detect objects driving in speed of 70m/s above 40m away and trace 32 objects at the same time.

The system is composed by an antenna board and a main board. The antenna board integrates radar transmit-receive sensor chip with CMOS feature and a special antenna design, being 24GHz mm – wave. The main board has a high performance ADC chip and FPGA chip. It is realized by a whole set of radar algorithm.

Product overview

AST products technical parameters table
Serial number Content Parameter
Performance specifications
1 Range (small obstacle - such as people) 40m 40m
Range (large obstacle - such as truck) 50m
2 Relative speed 70 m / s
3 Horizontal scanning angle ±40 °
4 Distance accuracy Error±9 %
5 Speed accuracy ±0.2 m / s
6 Angle accuracy ±1 °
7 Distance resolution 0.75m
8 Tracks 32个
Hardware specifications
9 Transmission frequency 24GHz
10 System power consumption 2W
11 Power 12V
12 Bandwidth 200MHz
13 Signal modulation method FMCW
14 Output mode Analog continuous output
15 Update rate 25Hz
16 Working environment temperature -40℃～+85℃
17 Save the ambient temperature -60℃～+125℃
Advantages of similar products
Contrast item AST-SMMW-100 Similar products
Chip Using CMOS structure, Efficient Non-CMOS
Low power consumption 2W 4W
High accuracy: Relative distance ±0.01m ±0.1m
High accuracy: Speed accuracy ±0.2m/s ±0.5m/s

Radar superiority

1.  Compact package, Solid state technology; 2.  Cost-effective, Detection distance;

3.  Light weight, Small size, Low power consumption; 4.  Leading performance and durability.

Application environment

  • 1.  Blind Spot Detection
  • 2.  Rear Cross Traffic Alert
  • 3.  Lane Change Assistant
  • 4.  Froward Cross Traffic Alert
  • 5.  Multi-sensor fusion
  • 6.  Exit Assistance Function


Schematic diagram