The transmitters will send a signal automatically to a local base station.
发射台会自动将信号发送到地方基站。
《柯林斯英汉双解大词典》
2
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?
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？
3
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.