What is a device that sends out radio waves?

Answer 1

Intentionally: Radio Transmitters for Walkie-Talkies, TV and Radio broadcasts etc.

Inadvertantly: Alarm Systems, Florescent Lightbulbs, some motors

Natuarally: Outer space and water

(this is not nearly a complete list)

Answer 2

-- microwave cooking oven

-- garage door opener

-- cell phone

-- household cordless phone

-- TV transmitter

-- AM radio transmitter

-- FM radio transmitter

-- taxi driver's radio

-- bluetooth ear-thing

-- kids' toy walkie-talkie

-- police-car radio

-- fire-engine radio

-- Sirius/XM transmitter to cars

-- GPS satellite

-- International Space Station

-- airline pilot's radio to ground

-- ground controllers' radio to pilot

-- weather radar

-- speed radar gun

-- ham radio transmitter

-- CB radio

-- wireless card in laptop

-- wireless modem in the basement

-- cell tower

-- pocket wi-fi device

-- 2-way pager

-- any spacecraft that we want to keep in touch with after it's launched

-- astronaut in a space suit during a space-walk

Answer 3

almost everything emitts radiowaves.they are the weakest and therefore easiest to produce therefore being the most common form of radiation.

Answer 4

Free electrons emit radio waves when they are scattered by collisions with the heavier ions.

See: http://www.infoplease.com/ce6/sci/A0860624.html for more information! :)

Answer 5

Energy. Radio is a type of electromagnetic wave which ossilates at a specific frequency.

Answer 6

Oscillating charges. (Electric current that goes back and forth periodically.)

Answer 7

radios

Answer 8

radio, cell phones

Answer 9

Radio's