... stability 2.Software programming 3.Aluminum material 4.Door plank appearance Features1.Aluminum material2.Door plank appearance3.Ultra-thin design4.The movement adopts ... of tag pins and eas detachers 8.2/1.95/4.75mhz 58/66khz and so on, we also develop our ... surveillance,eas antenna system, anti-theft system,rf antenna,supermarket door, supermarket anti-theft alarm,eas rf antenna,rf security system ...