Perimeter Intrusion Detection Solutions

Protecting high-value sites requires more than a single device or sensor. The Layered Approach to Perimeter Intrusion Detection .

Effective perimeter security relies on multiple, complementary layers that work together to detect, verify, and respond to potential threats. Nextro designs and deploys layered perimeter intrusion detection (PID) solutions that combine physical sensors, intelligent analytics, advanced detection devices, and unified security management through Genetec Security Center Restricted Security Area (RSA) Surveillance.

These systems support New Zealand’s critical infrastructure operators, airports, utilities, logistics hubs, enterprise facilities, councils, government, and other organisations that cannot compromise on perimeter protection.

Layer 1: Fence and Underground Detection

Fence-mounted and buried detection technologies provide the earliest possible warning of intrusion attempts. These systems detect climbing, cutting, digging, or ground pressure changes along the perimeter boundary. Nextro supports a range of technologies to ensure the right fit for the site and environment. These systems form the foundation of perimeter security and integrate directly with Genetec Security Center for real-time alarm management.

Learn more on our Fence and Underground Perimeter Intrusion Detection page.

Layer 2: Video Surveillance Cameras

High-resolution Axis video surveillance cameras add essential visual verification when a perimeter alarm is triggered. Cameras equipped with IR, low-light performance, and deep-learning analytics provide clear and reliable visibility across broad areas. These cameras integrate natively with Genetec Security Center, allowing operators to verify and respond quickly.

Learn more on our Video Surveillance Cameras page.

Layer 3: Thermal Imaging Cameras

Axis thermal cameras extend perimeter visibility into darkness, fog, and adverse weather. Thermal imaging enables long-range detection and provides reliable analytics where visible-light cameras may struggle. These devices are ideal for rural, coastal, and remote perimeters where environmental conditions often vary.

Learn more on our Axis Thermal Cameras page.

Layer 4: Security Radar

Axis D2110-VE security radar adds another layer of early detection, reducing false alarms caused by light, movement, weather, or animals. Radar tracks objects across large outdoor areas and works alongside video and PTZ cameras for automated target tracking. Radar strengthens perimeter systems where large open spaces or long boundaries are present.

Learn more on our Axis D2110-VE Security Radar page.

Layer 5: Network Audio Solutions

Network audio enables proactive deterrence once an intrusion is detected. Automated messages, live talk-down, and triggered alerts allow operators to respond instantly and influence behaviour before an incident escalates. This creates an active response layer that strengthens the overall perimeter system.

Learn more on our Network Audio Solutions page.

Layer 6: The Unified Intelligence Layer – Genetec Security Center RSA Surveillance

Genetec Security Center RSA Surveillance brings every layer together into a single operational platform. RSA enables real-time tracking, alarm correlation, sensor fusion, and wide-area situational awareness. Radar, thermal imaging, video analytics, fence detection, and underground sensors are all mapped and managed through a unified interface. This creates a coordinated, intelligent perimeter security environment that supports rapid decision-making and safe response.

Learn more on our Genetec RSA page.

Why Layered PID Matters

Layered PID reduces false alarms, increases detection accuracy, and improves operator confidence by correlating data from multiple detection technologies. It strengthens situational awareness at the boundary and provides a structured, defensible security posture for organisations with elevated perimeter risk profiles.

Nextro provides unified perimeter intrusion detection solutions for critical infrastructure sites across the country, securing New Zealand.

Talk to Nextro today about designing and deploying a layered perimeter intrusion detection solution tailored to your site’s operational and security requirements.