DT-2D Linear Delta-3 2-Button Garage Door Opener Remote
Compatible with Linear DT-1 Remote, DTKP Keyless Entry and DR Radio Receiver
The DT-2D Linear Delta-3 Remote was used on some of the older Raynor garage door operators such as the R170/270, R160/260, R150/250 and R130/230 model electric openers.