# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Dual Frequency | 双频率

If a device is referred to as being "dual frequency", the control panel has the capability to switch wireless frequencies if the one it is using is jammed. In order for the installation to switch frequency, every wireless device must be dual frequency enabled.

 

如果设备被称作有双频率，当双频率中一个被干扰时，报警主机有能力切换无线频率。为了能让安装切换频率，每个无线设备必须能使用双频率。

 

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