wireless telephony

This was at a time before Sir Oliver Lodge had established wireless telephony between heaven and earth.

None of your wireless telephony and wireless telegraphy for me.

They finally decide to fit out two expeditions, and to communicate by wireless telephony.

The great drawback to wireless telephony and telegraphy has always been that the air is one great line and always busy.

This made it impossible to produce the steady oscillations that are required in wireless telephony.