Special Applicaiton Doppler

SI-3C OEM Long Range Low Power Doppler Radar

The SI-3C is a long range, low profile, low power Doppler radar designed for OEM integration. The SI-3C is perfect for applications in which space, power or long range are priorities. The SI-3C offers all of the features of its predecessor the SI3.


  • Power draw is less than 80mA at +12VDC
  • FCC Part 15 (No License Required)
  • Selectable MPH or km/h
  • Operates from 8 to 24 VDC
  • Narrow beamwidth: 12° Hor. x 24° Vertical
  • Configurable speed range: 1-330 MPH (2-531 km/h)
  • Range: 1,500 Ft. Default
  • 3,000 Feet Maximum Range on Average Size Vehicles
  • Compact Size Measures Only 2.5″ x 2.75″ x 1.06″ Deep (63.5mmx70mm x27mm)
  • Directional filtering – Select Toward, Away or Both (Toward & Away)
  • OEM configurable settings includes: Min/Max speed, sensitivity, cosine compensation, update rate, comm protocol, MPH – km/h, and direction

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Special Application Doppler

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Decatur Electronics is the premiere manufacturer of police radar, traffic safety equipment and speed measurement devices in the world. Contact us today to learn more about our cutting-edge technology, operator friendly features and product applications. Find a representative near you or call +1 800 428-4315

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