Tuesday, November 1, 2011

Learn The Facts About Radio Remote Controls

Radio remote controls use radio waves to send commands to different devices. These are electro-magnetic waves of varying frequencies, emitted through antennas and picked up by radio receivers.Therefore, when you click a button on your radio remote, it sends radio waves to your music system, which decodes the signal and obeys your command. A fantastic facet of radio remotes is they can send signals from larger distances, since radio waves travel so long as a hundred feet to reach the receiver. They even penetrate walls, and so a rising number of modern appliances are to be designed with radio remotes.

Bluetooth technology also uses the principle of radio frequencies. For instance, Bluetooth technology can interconnect your home theater system, cell-phone, music system, computer and TV by utilizing radio frequencies to send signals between them. It creates a wireless community of your gadgets that literally speak to each other. Each appliance works on different bands of frequency.

For example, alarm and security systems work at forty megahertz, mobile telephones between 824 to 849 megahertz and an air traffic radar at anywhere between 960 to 1,215 megahertz. Now the query turns up that, if there are such a lot of frequencies traveling in the air at the same time, how do gadgets know which ones to get and which to ignore? When advanced radio remotes send radio waves, their unique digital address is also sent embedded in the waves, that the target receiver recognizes and accepts. This smart technology is being employed in cellular telephones, Wireless Fidelity ( WiFi ) environments and cordless telephones.

In the future, as our desire to remotely control multiple appliances increases, radio remotes will be seen playing larger roles. Tasks in risky environments,eg space and military eventualities, can be performed through RC. Devices and remotes will get even more intelligent as radio remote control technology develops. Click here : best universal remote and universal remote programming for more information.