Us Garage Door Frequency

It s a good thing we can only hear a limited range of audio frequencies 20hz to 20 000hz because if we did hear everything in the radio frequency range it would drive us crazy.

Us garage door frequency.

Avoid frustration with your garage door by knowing the many sources of radio interference that may be preventing your garage door remote from working. The garage door opener remote which uses a radio frequency signal to open and close the automatic door brought even more convenience to the automobile owner. As the automobile became more popular the garage became a building of its own. This band of frequencies is free to use doesn t require you to have a license to operate devices on and is preferred by the companies that manufacturer almost all of your gadgets.

Although this device is very useful it was also causing the disrupted frequency. The need for security has brought about most of these changes and as technology improves and changes we are sure more changes will come for garage door openers and remotes. Johnson founder of overhead doors invented the automatic electric garage door in 1926. Once revealed this innocent device was transmitting a 315 megahertz radio signal.

Surprise surprise this is the same signal that is used by garage door openers key car fobs as well as many short range radio applications. The garage door opener frequency at issue 390 megahertz has belonged to the military since around 1950.