The Linear Delta-3 model DR also known as the DR3A is a standard one channel, 12-volt, three terminal, wire lead antenna gate or garage door opener radio receiver part number DNR00012. This radio receiver works with all the Linear Delta-3 or Moore-O-Matic 8 DIP (on/off) code switch remotes on the 310MHz frequency. With the industry standard 3 terminal screw connector, it can connect directly to most older garage door openers or gate openers that use the standard 12 volt, 3 terminal connection using the adapter tabs included, or it can be powered by the optional Linear TF524 plug-in ac power adapter (sold separately). Controls one gate or garage door opener. The Linear Delta 3 radio controls are now only available on the 310MHz frequency and all other frequencies have been discontinued. This item is new in box and includes 3 optional mounting connection tabs, mounting bracket and installation/programming instructions.
The Linear DR receiver is directly compatible with the following models 310MHz:
Linear Delta-3: DT, DTA, DTC, LB-B, Mini-T, Ladybug, DT2A, DT3+1, DT4A.
Not all compatible models may be listed.