... , Widely used in various anti-theft alarms, security systems, Remote controlling devices,Motor-driven curtain, roller blind door ... : 1PCS/BOX Configuration Files :SAW Technical Parameter: ASK Packaging Parameter: 500PCS/CTN Frequency Customized: (303M,315M,390M,433M ... time, we ensure that our wireless products and security and protection systems are of the highest standard to meet international ...