| In this article, we'll study the infrared frequency | | | | RF remote communicates radio waves that |
| technology used in nearly all home theaters, | | | | correspond to the binary command for the |
| watch the unlikeness between IR and RF | | | | button you're pushing. A radio communication |
| remotes, find out the unlikeness between a | | | | receiver on the monitored tool accepts the signal |
| "universal" and a "learning" remote and examine | | | | and translates it. The difficulty with RF remotes is |
| out a few of the other hi-tech characteristics you | | | | the total number of radio signals flying throughout |
| can meet on remotes nowadays, like PC | | | | the air at any given time. Cell phones, |
| connectivity, RF extenders and macro | | | | walked-talkies, WiFi structures and cordless |
| commandments. | | | | phones are all transferring radio signals at changing |
| Radio Remote Controls | | | | frequencies. RF remotes address the interference |
| Radio Remote Control or Radio-frequency (RF) | | | | issue by transferring at precise radio frequencies |
| remote controls are very common. Garage-door | | | | and by inserting digital direction codes in the radio |
| openers, car-alarm fobs and radio-controlled toys | | | | signal. This allows the radio receiver on the |
| have constantly used radio remote controls, and | | | | considered tool recognize when to react to the |
| the engineering is beginning to prove up in other | | | | signal and when to reject it. To discover further |
| programs, too. They're however pretty rare in | | | | about the engineering of radio-frequency remotes, |
| home-theater tools(except for RF extenders), but | | | | check out How Remote Entrance Works. |
| you will find RF remotes controlling particular | | | | The biggest benefit to radio-frequency remotes is |
| satellite-TV receivers and high-end stereophonic | | | | their diversity: They can transfer up to 100 feet |
| systems. You'll in addition find Bluetooth-based | | | | from the recipient (the range for Bluetooth is |
| radio remote controls that control laptops and | | | | smaller,) and radio signals can go throughout walls. |
| smart phones. (Observe How Bluetooth Works to | | | | This advantage is why you'll now find IR/RF |
| find out about this radio communication | | | | remotes for home-theater elements. These |
| technology.) | | | | remotes use RF-to-IR convertors to develop the |
| Alternatively of sending out illumination signals, an | | | | range of an infrared remote. |