You can leave a message with reception.

你可以在接待处留个口信。

《牛津词典》

And as a failsafe, the receiver also sends a message to the transmitter via radio if it notices an unexplained interruption in power reception.

同时作为故障保护，如果接收器发现能量接收端有一个无故中断，还会通过无线电向传输器发送一个信息。

youdao

She sat on the stairs, where the wireless reception was best, to instant message and E-mail her friends.

她坐在接收信号最佳的楼梯上，给她的朋友聊天发邮件。

youdao

Mr. Obama offered a four-sentence message of support after Mr. Healy attended a White House reception for the Irish prime minister in March.

WSJ: Jersey City Election Highlights Obama's Local Effect