LiftMaster - Model: 811LM

[Kiuchi]

Hi,

Just got my flipper and ran into an issue with one particular remote that seems to use a rolling code I believe. using the analyzer is seems to jump between 315mHz to 390mHz. Pretty novice when it comes to frequency capture but attached is a short few clicks recorded

Raw_signal_1.sub (83.5 KB)

[SkorP]

Request: Craftsman Garage Door opener (139.53681B)

The Frequency is 390 with a modulation of AM650. The FCC ID is HBW1255. Please let me know if you need anything else. I am not sure if it may be accurate, but with little bit digging, these type of remotes may use the Security+ type of rolling code. I came across this repo https://github.com/argilo/secplus Not sure if it may be helpful or not. [IMG_0351] Raw_signal_2.sub (7.1 KB)

[SkorP]

My garage door opener seems to hop frequencies

At the moment I have no interest in cloning an existing transmitter. I’m merely interested in using the flipper to create a new unique transmitter that can then be paired. I’m having a tough time seeing how this would differ from just purchasing a new transmitter on Amazon.

[loualbano]

Peep this here:

https://support.chamberlaingroup.com/s/article/LiftMaster-Gate-Key-Remote-Control-Models-811LM-and-813LM-Owner-s-Manual-1484145623061

“Burst Technology - Sends out multiple frequencies on the same code at the same time.”