Radio communication works on radio signals that are "beamed" into the air on a certain frequency. Frequency is a certain wavelength or band. The receiving equipment has to be set to receive the signal on the same frequency.
Bluetooth system
i think they communicate by radio
Ships communicate using radios. To be able to use a radio the captain has to have a special cob radio license.
They have radio.
Firstly, neither astronauts or radio existed in ancient times. Secondly, radio has always been used by astronauts and continues to be so, because it is the only thing that works across the distances and through the vacuum.
radio waves
radio waves
They communicate by two-way VHF radio.
A wireless network card works by communicating with Wi-Fi routers and hotspots via radio signals. These Wi-Fi sources then communicate with the internet itself with the same type of signals.
Jackson Radio Works was created in 2000.
almost exclusively by radio
Yes