As garage door openers became more popular this was clearly an issue that had to be resolved.
Radio shack garage door opener remote.
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Garage door opener remotes work on radio frequency waves typically from ranges of 300mhz to 390mhz.
All current genie garage door openers specifically work on 315mhz 390mhz dual frequency to help reduce the likeliness of experiencing radio frequency interference.
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In the 1960 s as automatic openers were more widely adopted it was discovered that the doors all used the same code.
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Once the code was transmitted the opener would receive it and run the motor to draw the door up or down.
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Is a transmitter compatible with most 300 310 and 390.
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As technology improved the wireless remote was created and used radio signals to transmit a code from the remote control to the opener itself.
Universal garage door gate opener.
Compact and convenient this remote can operate up to four garage door openers or gate receivers from the most popular brands.
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This universal garage door opener remote is the this universal garage door opener remote is the latest in a long line of technical innovations from genie the brand you trust for garage door openers.
When garage door remotes and openers first came out they were simple radio transmitters and receivers so any garage door remote could open any garage door.