Key Features
- Small and low cost digital 61GHz FMCW radar distance sensor
- Precise distance measurement with mm accuracy
- Can be combined with a plastic lens for higher detection distances
- Distance measurement up to 50m (depending on medium and used lens)
- Ultra small SMD form factor (12mm × 16mm)
- Single 1.8V power supply for simple integration
- Ultra low power consumption and fast start-up time
- Distance output over serial UART interface
- RAW data readout support (Distance spectrum, ADC values)
- Integrated bootloader for firmware update
- Evaluation kit available including plastic lens


The V-LD1 is an easy to use 61GHz FMCW distance radar sensor with integrated signal processing. No special knowledge in analogue or digital signal processing is needed to adapt the module to different applications resulting in a fast time to market. Transmit frequency and sweep bandwidth are controlled internally and a selection of settings is available to adapt to your application requirements.
The beam width of the module itself is 170 × 60 degrees. However, RFbeam also offers an evaluation kit in combination with a plastic lens that focuses the beam to 8 × 8 degrees, which is perfect for tank level gauging applications.
Application notes
Certificates
Ordering number | State | Description |
V-LD1-RFB-00M-01 | Active | Standard V-LD1 sensor module with default configuration, without PC software |
V-LD1-LENS-RFB-01 | Active | Standard V-LD1 lens, ABS like white plastic |
V-LD1-EVAL-RFB-00H | Active | Standard V-LD1 evaluation kit with powerful PC software and plastic lens |
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Applications
Counting and classification
Counting and classification
- Car counting on multiple lanes
- Simple classifications based on speed, magnitude and size
- Enhanced classifications based on RAW data
Internet of things
Internet of things
- Room surveillance and counting
- Intelligent presence detection
- Sensors hidable behind plastics
Smart city
Water level and speed measurement
Water level and speed measurement
- Accurate measurement of water levels
- Water flow measurements based on speeds
- Solar powered applications
Altimeter
Altimeter
- Measurement of distance above ground
- Speed measurement possible
- Allows for autonomous takeoff or landing
Anti collision
Obstacle avoidance
Obstacle avoidance
- Detection of obstacles in the flight path
- Multi target capability
- Detection of wires
Periphery surveillance
Periphery surveillance
- Tracking of persons in defined areas
- Detection of free or occupied areas
- Obstacle detection