The purpose of this is to ensure that your garage door opener s frequency doesn t interfere with your neighbor s favorite radio station or the airplane flying overhead.
Garage door opener frequencys.
Electric garage door openers did not become popular until era meter company of chicago offered one after world war ii where the overhead garage door could be opened via a key pad located on a post at the end of the driveway or a switch inside the garage.
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.
The first electric garage door opener was introduced in 1926 but didn t gain in popularity until after world war ii.
Unfortunately if the control panel for your garage door opener is older it may be more prone to radio frequency interference.
On the earliest garage door openers the door could only be opened by a keypad mounted outside the garage door and hardwired in or a push button inside garage.
If this is the case a new control panel may be your best bet.
Johnson in 1926 in hartford city indiana.
For instance the liftmaster 888lm offers the ability to monitor and control your garage door right from your smartphone including the opener lights and.
As technology improved the wireless remote was created and used radio signals to.
The frequency may need to be changed for various environmental reasons such as radio interference or a neighbor with the same garage remote frequency.
Your garage door is likely using a frequency clustered around the 2 4 ghz band that s been designated the ism band otherwise known as the industrial scientific and.
These dip pins frequencies operated in the 300 400 mhz range.