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24Ghz RS232/RS485 Doppler Speed Radar Sensor
ZLYTR24 is a state of the art milli-power Digital Signal Processing (DSP) based K-band radar for the sign activation and traffic calming markets.
◆ Long-Range, High-Accuracy Detection
Detects vehicles up to 100 meters, with a speed range of 1–240 km/h and accuracy within ±1 km/h.
◆ Integrated Radar Module
Combines microstrip antenna, RF circuit, and signal processing in one compact unit, delivering direct speed output for easy system integration.
◆ Flexible and Industrial-Grade Design
Supports programmable baud rates (9600 / 115200), multiple speed units (km/h, mph, m/s), and wide voltage input (7–24V).
◆ Compact Size, Easy Installation
PCBA dimensions: 50.11 × 51.79 mm
Enclosure size: 62 × 62 × 20 mm (IP67)
24GHz Doppler Sign Activation Radar Sensor Description
Zilai Tech millimeter wave radar manufacturer offers ZLYTR24 speed radar sensor. This 24GHz radar sensor integrates antenna, RF, and signal processing to directly output vehicle speed data. It is widely used in urban roads, highways, intersections, and traffic curve warnings, VMS, speed advisory sign, helping improve road safety. the ZLYTR24 is ideal for OEMs, traffic integrators, and radar system dealers seeking bulk supply or custom solutions.
24Ghz K-band Radar Sensor Technical Sheet
| Parameter | Symbol | min. | typ. | max. | units |
| fIPS-154_US | 24.075 | 24.125 | 24.175 | GHz | |
| output power (EIRP) | Pout | 18 | 20 | dBm | |
| temperature drift | Δf | -1 | MHz/°C | ||
| antenna pattern | horizontal | 45 | ° | ||
| vertical | 38 | ° | |||
| side lobe suppression | horizontal | 13 | dB | ||
| vertical | 13 | dB | |||
| I/Q balance | amplitude | 6 | dB | ||
| phase | 60 | 90 | 120 | ° | |
| IF output | voltage offset | 1 | 2.2 | 4 | V |
| IF-amplifier | gain | 20 | dB | ||
| bandwidth | DC-50 | kHz | |||
| Speed range | 1~240Km/h（Switchable units: mph, m/s） | ||||
| Measurement Error | Less than ±1 KM/H (when the angle between the direction of motion and the azimuth of the radar beam is zero degrees) | ||||
| Detection distance | When the sensitivity is set to 1, motorcycles and electric cars can measure 50~70 meters; automobiles can measure 80~100, and the installation height is recommended to be 1m or more. | ||||
| Baud rate | 9600 by default; 115200 programmable | ||||
| supply voltage | VCC | 7 | 12 | 24 | V |
| supply current | I | 30 | 50 | mA | |
| operating temperature | TOP | -40 | 80 | °C | |
| outline dimensions | PCBA：50.11 x 51.79 Enclosure size：62 x 62 x 20 | mm | |||
24Ghz RS232/RS485 Speed Radar Application
24Ghz Traffic Speed Radar widely used in highways, city trunk routes, city and county level highways, urban and rural trunk roads and other types of roads speed alert and road curves, intersections warning.
24Ghz RS232/RS485 Speed Radar Sensor Interface Schematic
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