A card for sending a message by post without an envelope, typically having a photograph or other illustration on one side.

A piece of electronic equipment used for listening to broadcasts

A device for speaking to someone in another place by means of electrical signals

A method of sending and receiving messages by electrical or radio signals, or the special equipment used for this purpose

They are known well for their directions. They were known to find their home, even after traveling long distances. People used to attach small letters to their necks, hoping they would fly to the receiver.

A phone that is connected to the phone system by radio instead of by a wire, and can be used anywhere its signals can be received

A device shaped like a box with a screen that receives electrical signals and changes them into moving images and sound

A printed publication (usually issued daily or weekly) consisting of folded unstapled sheets and containing news, articles, advertisements, and correspondence.

A signal that uses something from a fire to represent words, used to send messages over long distances

What's the name of this type of ads?

A piece of paper with a message sent by telegraph

The large system of connected computers around the world that allows people to share information and communicate with each other