Multi-Purpose Fiber-optic Perimeter Intrusion Detection System
The FiberSensor is BEI Security’s high performing, cost-effective security system designed for low to medium security risk installations.

The FiberSensor detects intrusion attempts at the perimeter or palisade barrier by means of motion and vibration disturbance. The FiberSensor cable is installed in a split plastic conduit to provide uniform detection and to enhance sensitivity. The cable is attached to an existing fence by standard cable ties.
- The FiberSensor technology has been upgraded, modified and perfected over years of practical application and extensive field testing under extreme conditions.
- The FiberSensor is highly reliable, easy and economical to install and maintain, and boasts a very low false alarm rate (FAR), high probability of detection (PD), and exceptionally low cost.
The FiberSensor XL buried sensor system is comprised of fiber-optic cables buried across a wide horizontal plane. The system detects pressure applied on the ground above the cable. The buried sensor cable is invisible, completely passive, and can be installed in almost any ground.


