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SafetyZone

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SafetyZone - Rear Alert Technology




How does SafetyZone work?

When an officer makes a traffic stop, he can press a button to activate SafetyZone. Ranger then activates its rear antenna and alerts the officer to the presence of any vehicle traveling faster than a pre-determined speed, within a user-determined distance of the patrol vehicle.* (The officer can set the speed and distance to match his patrol situation.)

This alert is sounded in the cabin and broadcast to the officer outside of the vehicle. The external alert can use the vehicle's horn or a dedicated siren and/or light.

SafetyZone can give the officer the opportunity to move to safety and avoid dangerous vehicles. SafetyZone can save lives. See the chart below for examples of how much warning Safety Zone can give you:

Vehicle
Speed 		Vehicle Distance in Yards
100 Yds 200 Yds 300 Yds 400 Yds
50 mph 4.1 sec 8.2 sec 12.3 sec 16.4 sec
60 mph 3.4 sec 6.8 sec 10.2 sec 13.6 sec
70 mph 2.9 sec 5.8 sec 8.7 sec 11.6 sec
80 mph 2.6 sec 5.2 sec 7.8 sec 10.4 sec
90 mph 2.3 sec 4.6 sec 6.9 sec 9.2 sec
SafetyZone
 
Why hasn´t anything like Safety Zone been offered before now?

Distance-measuring is crucial to making SafetyZone reliable. Before Ranger, no one had developed a ranging radar for law enforcement use.

Traditional radars can only distinguish vehicles by speed or signal strength. Signal strength is a factor of both distance and the size of the vehicle, with larger vehicles giving a much larger signal strength.

In order to alert the officer to small cars close to him, a traditional radar would also overreact by alerting him to large trucks that could be over 3/4 mi. away. Officers would soon lose confidence in the alert if gave many false alarms.

Ranger´s distance information minimizes the number of false alarms of the system by filtering out the signals from large vehicles that are far from the patrol vehicle, and focusing on the speeders who are close to the patrol vehicle and are real threats to the officer´s safety.

Click here for a SafetyZone brochure.

* SafetyZone serves as a supplement to an officer´s personal safety. While it improves the ability of the officer to safely monitor traffic during stops, it does not fully replace the need to remain alert to the surrounding traffic.