it doesn't, it uses microwaves
bluetooth is an open wireless protocol for exchanging data over short distances. it uses short length radio frequencies. bluetooth uses a radio technology called frequency-hoping spread spectrum.
1930
RADAR (RAdio Detection And Ranging)
Wireless.
One uses infrared light and the other uses radio waves. Hope this helps!
By Internet waves, one would assume you mean WiFi. When talking about WiFi, it does not use electromagnetic waves but instead uses radio waves like your TV or radio does.
Bluetooth?
bluetooth is an open wireless protocol for exchanging data over short distances. it uses short length radio frequencies. bluetooth uses a radio technology called frequency-hoping spread spectrum.
it uses radio waves
1930
Yes. A good rule of thumb is that if the device has an antenna, it uses radio waves. An antenna would not be needed if it didn't use radio waves.
RADAR (RAdio Detection And Ranging)
it could promote artists
Wireless.
One uses infrared light and the other uses radio waves. Hope this helps!
Radar uses radio waves.
Sonar navigation uses sound waves; radar navigation uses electromagnetic waves (usually radio eaves).