发射台会自动将信号发送到地方基站。
The transmitters will send a signal automatically to a local base station.
通过将正确的设备调整到正确的频率，如何防止小偷干扰你的设备阻止警报信号到达基站呢？
With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?
如果他们在系统布防时发现了什么问题，就会向基站发送无线警报信号，然后基站会发出警报。
If they detect something wrong while the system is armed, they'll transmit a wireless alert signal to a base station that will then raise the alarm.
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