This wireless keyless entry system opens the garage door by a code that you program directly into the unit single button closure simplifies a secure exit get the added convenience of being able to open your garage door without using a remote control or key.
Rolling code garage door opener.
A rolling code also referred to as a hopping code is a special type of encryption system used on wireless keyless entry devices such as car remotes and garage door openers.
When a button is pushed on the remote control it sends the security code and the command to open or close the garage door.
Garage door remote copy fixed code and rolling code with frequency 280 868mhz all in one up to 4 different garage remote 2 pack 3 2 out of 5 stars 14 23 99 23.
It is a rolling code technology that changes the access code every time the button is pressed with billions of combinations of codes to choose from making using a genie garage door opener very secure.
In the past a person would press a button to unlock his car and the remote would transmit an unlock code to the car s receiver which would in turn unlock the car.
Every time the genie garage door opener remote button is pressed a code is sent to the garage door opener to tell it to open.
With intellicode technology this code never stays the same.
If the codes match the garage door opener will execute the command.