DR500S OEM Doppler Speed Radar

Availability: Full Production

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.

  • 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.

Specifications & Recommended Operating Conditions

VCC 9.6VDC min 18VDC max (21V tol.)
ICC@12VDC 54mA min 64mA max (58mA nominal)
RF out 5mW  
Freq out 24.125GHz center ±25MHz(24.2 available)
Operating °F/C -40min 185°F/85°C max
Trigger output 600mA sink max
Comm Interface 2x 3 wire RS232
Baud Rate 1200 to 115200 baud configurable
Pickup Distance 1500 feet(457m) typical for compact car
Beam Angle 12°x14°
Polarization Linear
CE Mark Yes
Dimensions 5.5" length x 3.7" diameter (14cm x 9.4cm)
Dims excluding mounting bosses and cable exit
Weight 1.2lb (0.5Kg) approx
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.

IO/PWR Connection Details

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 Auxiliary RS232 TX
7 Trig Out Open Drain Trigger
8 X N/C - Do not connect
9 GND PWR VDC Ground

Note: Connector is male DB9.