... :50~100meters 2)frequency:433.92Mhz 3)CE,ROHS Remote Control Duplicator 433.92mhz CY026CE,ROHS approved we ... garage door ,rolling door ,electronic gate,window industral control ,home appliance,car alarm system and so on . ... :2000,CE,ROHSMinimum Order1000pcsCountry of OriginChinaDelivery time7daysPayment termT/TSupply ability100,000pcs/monthStylewirelessPortShenzhen Our rf remote control is ...