Linear LDO33
Model snapshot
- Status
- Legacy
- Factory system
- MegaCode · 318 MHz
- Programming
- Learn button on the opener control panel
- Sensor check
- Not needed for match
Find a compatible remote for your Linear LDO33
Does your opener match the typical factory setup below?
Typical factory setup
- Original built-in receiver
Compatibility at a glance
Factory-original setup
A factory-original Linear LDO33 normally uses MegaCode at 318 MHz. If the installed receiver matches, Linear MTR3 is the reviewed direct replacement.
Reviewed
- Factory remote system
- MegaCode · 318 MHz
- Replacement remote
- Linear MTR3
SourcesOfficial references used for this guideShow detailsHide details
- LDO33 and LDO50 homeowner instructionsNice North America · checked 2026-07-23
- MTR1 and MTR3 transmitter instructionsNice North America · checked 2026-07-25