24GHz Microwave Bistatic Security Sensor Border on the Lock Reliable Perimeter Intrusion Detection for Long-Term Applications. ► 300 m detection zone; ► Adaptive threshold minimizing false alarms; ► Narrow exclusion zone; ► Noise immunity. CVD-107 security sensor is a patented microwave solution ensuring reliable protection in outdoor environments. CVD-107 detects a human intruder passing the detection zone near fences, masts, gates or entryways and requires narrow exclusion zone. The ...