... EAS RF door,EAS alarm system E8000 board 1. Useing advanced intelligent acoustic inspection technology, the digital system,and advanced The Techniques of ... the environment, alarm correctly;3. Delicate and elegant design,The system is stable and reliable, the special self-detecting to make ... ,6. It is suitable for all of 8.2MHz RF system.Parameter:Detecting distance: 0.9m-1.8mFrequency: 8.2MHz±0 ...