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by brianaker 954 days ago
The description on the OpenThings website is misleading, the add-on module is an off the shelf commerical remote that is being shorted in order to operate the door.

The ratgdo device is decoding the line version of the Security+ 2.0 protocol, which gives you state information/etc. They have a page describing what they currently decode:

https://paulwieland.github.io/ratgdo/01_features.html

FWIW The Flipper Zero can decode the wireless version of the Security+ 2.0 protocol.