Navtech Radar Limited

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Controlled and Restricted Zones

Every site is different, meaning controlled and restricted zones vary in each unique application. Often, security software is unable to identify an intruder until they have already entered a zone and caused a security breach. FIxed perimeter security vs virtual perimeter easily adaptable flexibility

AdvanceGuard can be configured to meet the needs of each specific site. Operators have complete control over which areas are controlled or restricted. Any unauthorised vehicle or person approaching the zone will be identified by the system as a threat, prior to reaching the zone, allowing for fast response and easy interception. Not all zone presence constitutes a threat, which is why AdvanceGuard categorises intruders as 'friend' or 'foe'. The system can differentiate controlled and restricted zones from authorised areas, which means false alarm rates are kept to a minimum. AdvanceGuard can be installed on existing infrastructure, and can be adapted to suit any changes in site layout or activity. This can be done by the team at Navtech Radar, meaning operators do not have to worry.

Image of restricted area - no entry sign

Detection Conditions

  • Fog, snow, rain, sand a dust storms
  • Complex or cluttered environments
  • All level of light, from darkness to sun glare
  • Extreme temperatures 

Other Capabilities 

  • Sterile zone detection 
  • Critical point detection
  • Scalable and configurable 
  • Rules based software
  • Friend or foe detection 
Image of chained up perimeter fence

How does it Work?

Bristol Airport example

The scalable and configurable system can be customised by each application to suit the needs of the site. Sterile zones can be set up to ensure no access of any kind can enter that zone. A virtual perimeter can be implemented, or the radar can detect threats at existing physical barriers.    


The featured video shows the AdvanceGuard system being adapted to monitor controlled and restricted zones in a specific site. AdvanceGuard can be placed on existing infrastructure, to keep the cost of ownership low.  

How does AdvanceGuard work in Controlled and Restricted Zones?

Pin points the exact location of intruders approaching controlled and restricted zones, and their direction of movement and speed, providing accurate data for fast response.

High-resolution radar differentiates target size, meaning it can filter out small animals or permitted personnel and vehicles entering the controlled and restricted zones. This keeps false alarm rates low.

Intruder detection in and outside of the controlled and restricted zones if necessary. Intuitive interface. The system controls cameras, relays and other sensors. It integrates with bulk SMS providers ans security/video management systems.

Real-time tracking, enabling a fast response to any potential threats or presence in controlled and restricted zones. Recall track history. 

Real-time tracking, enabling a fast response to any potential threats inside selected zones. Ability to recall track history. 

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