The first telephone signal was sent on March 10th, 1876.

第一个电话信号是在1876年3月10日发出的。

Now, there's stable internet that works thanks to a tower high enough to pick up a telephone signal which it then sends into the villages via solar-powered receivers a type of gadget, meaning a small, electronic device which does something useful.

现在，由于有一个足够高的塔来接收电话信号，然后通过太阳能接收器将其发送到村庄里，那里有了稳定的网络。 太阳能接收器是一种小工具，那是指可以做一些有用之事的小型电子设备。