PD500™ is a high-performance intrusion detection system for fences and underground, powered by patented E2EC™ technology from Fiber SenSys.

You can see the product details from the link below.
Point Defender PD500™

Point Defender PD500™
- +/-1m point location accuracy
- Cut-tolerant cable configuration
- Sensitivity leveling
- Power and data over sensing cable
- Failover processors (with no detection loss)
- Virtual zones