How To Hijack Garage Door Opener Frequency

This system worked fine until security became an issue because remotes were developed to quickly run through all frequencies in the 300 400 mhz range thus finding the correct frequency to open a given garage door.

How to hijack garage door opener frequency.

Next you ll test the range on your remote controls to see if it improves. The basic process goes something like this. In this video i re engineer a 40mhz garage door opener and build a small one for my harley. The first electric garage door opener was introduced in 1926 but didn t gain in popularity until after world war ii.

We re your go to store for openers and parts. Https youtu be nczzkuh3bdw subscribe on youtube http b. First you ll want to open the access panel on the backside of your garage door opener. Find garage door opener parts fast with our parts and compatibility charts at garage door supply company.

These dip pin settings would set the frequency the opener and remote operated on. Look for a button that says learn and hold that down until the light starts blinking. I use sdr radio and audacity to do the hacking and an ad9850 dds and an arduino to create a clone. Before we get into the details of the vulnerability let s explain a bit about how automatic garage door openers developed.

Next you will need to shut power to the garage off with your circuit breaker. Garage door opener remotes work on radio frequency waves typically from ranges of 300mhz to 390mhz. Dip switches older garage door openers used dip switches to set the frequency of the garage door opener. How garage door openers work.

Usually 9 10 or 12 switches if your garage door opener has dip switches you will need to change the position of the dip switches on the opener receiver and then match the dip switch positions on your. First plug the garage door opener into an outlet in the house using an extension cord. This will now make your garage door opener smart and you now have the ability to monitor open and close your garage door with your smartphone something you always have with you and no need for a garage door opener remote.