Project Description

Wide-angle Microwave Motion Detector

Affordable Motion Detector

Detect movement inside an area up to 134,000 m²

Cover large area with one sensor

The area covered by RSS-2-300 S is much larger than the area covered by PIR sensors.

Low Power Consumption

The radar typically requires only 1 W for operation

Solar Power Supply Ready

Low power consumption enables the use of solar power supply for installation on remote locations.

High Measurement Precision

Speed measurement accuracy is ± 1 km/h

Law Enforcement

The radar measurement precision makes RSS-2-300 T ready for all law-enforcement applications.

More Information

  • Operates in K-band (24.125 GHz or 24.200 GHz)
  • Detection range: 800 m for vehicles, 400 m for humans, 24° beam angle
  • Low power consumption (max 1,35 W, typically 1 W)
  • 9 to 27 VDC input voltage range
  • Operating temperature range from -40 °C to +85 °C (-40 °F to +185 °F)
  • IP66 aluminum casing
  • RS-232, RS-485 and CAN communication interface support
  • ASCII-S and GLX-NMEA protocols support; more protocols can be supported on customer request
  • 2 x open collector, fully configurable alarm outputs


Radar TypeK-band 24.125GHz/24.200GHz Doppler radar,
27 dBm EIRP
Beam Angle24° Azimuth
12° Elevation
Detection Distance800 m vehicles
400 m humans
Speed Range2 km/h to 336 km/h
IP RatingIP66


Power Input9 to 27 VDC
Power Consumption< 1,35W (typical 1,0W)
Maximal Current< 250 mA
Temperature Range-40°C to +85°C
(without heating or coolers)
Device Outer Dimensions127mm x 121mm x 188mm


Serial Interface1 x serial RS-485 half-duplex
1 x serial RS-232 (two wire interface)
Baud Rate1200 bps to 115200 bps
Serial ProtocolsASCII-S, GLX-NMEA,
other available on request
CAN InterfaceUp to 1Mbps CAN2.0
Alarm Outputs2 x open collector, max 50V 200mA
Expansion Port1 x general purpose 16-pin for custom expansion modules


EN 50293:2000
EN 61000-6-2, EN 61000-6-4:2007
EN 61000-3-2:2006+A1:2009+A2:2009, EN 61000-3-3:2008
EN 300 440-1, EN 300 440-2
FCC Part 15 Subpart C

Product Description

Geolux RSS-2-300 S is a Doppler radar detector operating in K-band. Designed for long range intrusion detection applications, RSS-2-300 S radar sensor reports a list of all currently detected moving objects distanced up to 800m. Refresh rate can be set up to 20 times per second. Detected objects are reported over serial or CAN interface. RSS-2-300 S sensor supports ASCII-S and GLX-NMEA serial interface data protocols, and support for more protocols can be added on customer request. Two configurable open-collector alarm outputs are also available for indication of the intrusion detection.
Field-proven Geolux RSS-2-300 S radar sensor is certified according to both European and American standards, which makes it an ideal solution for our partners that operate globally.
Advanced signal processing algorithms analyze detected objects in real time, and extract precise target statistics, greatly reducing false alarms and enabling RSS-2-300S to detect objects even through bushes and other similar obstacles.
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