Houston Radar’s DR500S K-Band Doppler speed radar is a state of the art low power Digital Signal Processing (DSP) based OEM radar for the traffic calming market. It is the premier product in its class available in the world.

Product Inquiry
  • Lowest power industry standard radar for speed measurement
  • Directional, picks up either incoming or outgoing vehicles/objects
  • 1500 feet (457m) typical pickup range for a compact vehicle
  • FCC pre-approved with CE mark for worldwide deployment
  • Available in 24.125GHz and 24.200Ghz center frequencies for US, UK, Australian and other worldwide markets
  • Fully configurable via 2x RS232 serial port for enhanced flexibility
  • Wide input voltage operating range allows solar operation
  • IP65 Weatherproof enclosure
  • Firmware “boot loader” allows for field upgrading of firmware
  • Best in class “Advanced In-Radar” traffic statistics option available
  • One 600mA current sink “vehicle detect” trigger output
  • Advanced self-test feature built-in
  • True Average Speed feature built-in for very low cost, easy to deploy, average traffic speed measurements on the road
  • Available in 0.5mph to 38mph (0.8 to 61kph), 1.3mph to 105mph (2 to 167kph) and 2.8mph to 200mph (4.5 to 321kph) speed range options and update rates as fast as 29ms.

Note: Pickup range will vary with target, installation and road conditions. Range listed is typical on open road with radar mounted 5 feet above ground.

VCC 9.6VDC (18VDC max)
ICC@12VDC 54 mA min (64 mA max)
Radar RF out 5 mW maximum
Frequency Out 24.125GHz center (+/- 25MHz (24.2 available))
Operating °F (°C) -4 (-40) min to 185 (85) max
Operating °F (°C) -4 (-40) min to 185 (85) max
Trigger Outputs 600mA sink max
Comm Interface 2x 3 wire RS232
Baud Rate 1200 to 115200 baud configurable
Max Pickup Distance 1500 feet (457 meters) typical for compact car
Beam Angle 12°x14°
Beam Polarization Linear
Trigger Outputs 6x 135 mA max each up to 28VDC
CE Mark Yes
Dimensions 5.5” length x 3.7” diameter (14cm x 9.4cm)
Dims excluding mounting bosses and cable exit
Weight 1.2 lbs (0.5Kgs) approximately

Note: Connector is male DB9.

Pin # Function Dir Description
1. VCC PWR 9.6 to 18VDC
2. PRI 232TX Out Primary RS232 TX
3. PRI 232RX In Primary RS232 RX
4. AUX 232RX In Auxiliary RS232 RX
5. GND PWR VDC ground
6. AUX 232TX Out Open drain trigger
7. Trig Out Auxiliary RS232 RX
8. N/C Do not connect
9. GND PWR VDC ground