Stalker Stationary Speed Sensor II
Low Cost. Low Power Requirement. High Performance.
Stalker’s new Stationary Speed Sensor II is the key component in any OEM speed measurement application.
Stalker’s second-generation speed sensor is a compact and versatile speed-measuring radar capable of integrating into nearly any speed monitoring application. Plus, its low unit cost, 3/4-watt power consumption, and light weight give it the edge in any head-to-head competitive comparison.
The Stationary Speed Sensor II utilizes digital signal processing to enable target direction sensing and can also include an optional statistical data collection package. This package will collect traffic profiles such as traffic volume, average speeds, peak speeds, hourly and daily trends, and vehicle size classifications.
Stalker’s new Stationary Speed Sensor II’s waterproof case fits easily into confined spaces like speedboards and photo radar devices. It has a range of nearly 300 meters and is capable of tracking up to 10 targets simultaneously. A single, also waterproof, cable provides power and communications in industry standard data formats.
The Stalker Stationary Speed Sensor II is a product of Stalker’s 20-year leadership and innovation in the speed measurement industry. So whether it’s cost that’s the differentiator, or power consumption, or physical size, or feature-function set, the Stalker Stationary Speed Sensor II is the ideal candidate for your speed monitoring applications.

Features of the Stalker Stationary Speed Sensor II
PC Application
Stalker’s new Stationary Speed Sensor II is the key component in any OEM speed measurement application.
Performance:
| Max Range | >800 Feet (243.8 m) |
| Min Speed | 1 MPH (1.6 km/h) |
| Max Speed | 200 MPH (321.9 km/h) |
| Speed Resolution | <1 MPH |
| Speed Accuracy | +/- 0.3% |
| Directionality | approaching, receding |
| Maximum Simultaneousl Vehicles | 10 |
| Target Update Rate | 0.048 Seconds |
Communications:
| Primary | RS-485 |
| Mode | half or full duplex |
| Secondary | RS-232 |
| Mode | with or without hardware flow control |
| Baud rate | 9.6k to 115.2k |
| Sensors are addressable and multi-deop capable. |
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Power:
| Voltage | 10 to 48 volts, DC |
| Current (24 volts DC) | 30 mA |
| Internal Resettable Fuse |
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Microwave:
| Center frequency | 24.125 GHz |
| Frequency Range | 100 MHz |
| Transmit Power | 10 mW |
| Beam Width | 30° by 32° |
Physical Specifications:
| Size (LxWxD) excluding connector | 4.4 x 3.9 x 1.6 inches (11.2 x 9.9 x 4 cm) |
| Weight | <13 oz. (.35 kg) |
| Housing | Die-cast aluminum |
| Lens | Polyethylene |
| Electrical connector | M12, 12 pin |
| Mounting | 4 x 10-32 UNF |
Environmental:
| Operating temp. | -20 to +70° C |
| Storage temp. | -45 to +85° C |
| Ingress rating | IP67 |