Yes, you can pair an MTB reader to any of the CTE controllers.
The firmware must be updated to the latest version on the older CTE's for it to work with the bluetooth credentials.
To pair the reader to the CTE, please follow these steps:
1. Push and release the CTE SCHLAGE button, followed by two very quick pushes on the FDR button.
2. A correctly wired MTB11, MTB15, MT11-485 or MT15-485 will beep and blink amber three times.
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