Linear / Accessory reference
Linear ACT-31DH key-ring radio control
ACT-31DH is a MegaCode key-ring control with one physical button and factory coding. It also has an HID-compatible proximity tag. The listed operator and receiver pairings cover radio control only; retain the exact variant and code-enrollment requirements.
Match the whole number.
Manufacturer identifier: ACT-31DH. Keep every character when comparing it with your label or paperwork. A similar number does not establish the same component.
- ACT transmitter and TRANS PROX compatibility chartPage 3, table 1, row 1, Model Number / Part Number / Description columns · checked 2026-09-11 · 232495 B · Linear LLC
Documented alternate identifiers
- ACP00957
- ACT transmitter and TRANS PROX compatibility chartPage 3, table 1, row 1, Model Number / Part Number / Description columns · checked 2026-09-11 · 232495 B · Linear LLC
| Component function | Key-ring radio controlView source and citation details
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|---|---|
| Physical buttons | 1View source and citation details
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| Coding configuration | factoryView source and citation details
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| Additional credential function | HID-compatible proximity tagView source and citation details
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| Compatibility function | MegaCode radio transmitter function only. The chart's proximity-reader entries and bold formatting do not establish proximity-reader functionality in these garage operators.View source and citation details
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| Battery type | 2016View source and citation details
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| Battery quantity | 2View source and citation details
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Compare one-button and four-button controls
Compare button count within the stated coding and credential configuration. The listed operator and receiver pairings cover MegaCode radio control only; shared functions do not establish replacement or interchangeability.
| Exact reference | Recorded distinctions |
|---|---|
| ACT-31DH This reference | Linear ACT-31DH key-ring radio control ACT-31DH is a MegaCode key-ring control with one physical button and factory coding. It also has an HID-compatible proximity tag. The listed operator and receiver pairings cover radio control only; retain the exact variant and code-enrollment requirements. View source and citation details
|
| ACT-34DH | Linear ACT-34DH key-ring radio control ACT-34DH is a MegaCode key-ring control with four physical buttons and factory coding. It also has an HID-compatible proximity tag. The listed operator and receiver pairings cover radio control only; retain the exact variant and code-enrollment requirements. View source and citation details
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A specification absent from one reference is not established by the other. Keep the exact identifier, configuration and cited revision when comparing.
Documented fitment & exclusions
Read the exact equipment or component, market, production and variant limits in every row. An omitted pairing has not been verified by this reference.
A component pairing applies only to the listed items and source conditions. It does not establish suitability for an installed opener or compatibility through another component.
| Equipment or component / relationship | Evidence and conditions |
|---|---|
| MDR-1 Documented compatibility | Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed
Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. ACT-31DH is documented for MDR-1 in MegaCode radio-control use. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope
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| MDR-2 Documented compatibility | Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed
Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. ACT-31DH is documented for MDR-2 in MegaCode radio-control use. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope
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| MDR/U Documented compatibility | Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed
Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. ACT-31DH is documented for MDR/U in MegaCode radio-control use. MegaCode radio transmitter function only. The chart's proximity-reader entries and bold formatting do not establish proximity-reader functionality in these garage operators. Enroll the transmitter code using the exact equipment instructions; custom and factory coding configurations remain distinct. This pairing concerns radio reception by MDR/U, not every opener connected downstream. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope
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| MDRG Documented compatibility | Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed
Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. ACT-31DH is documented for MDRG in MegaCode radio-control use. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope
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| MGR Documented compatibility | Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed
Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. ACT-31DH is documented for MGR in MegaCode radio-control use. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope
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| MGR-2 Documented compatibility | Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed
Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. ACT-31DH is documented for MGR-2 in MegaCode radio-control use. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope
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| SMDRG Documented compatibility | Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed
Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. ACT-31DH is documented for SMDRG in MegaCode radio-control use. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope
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| LCO75 Documented compatibility | Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed
Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. ACT-31DH is documented for LCO75 in MegaCode radio-control use. MegaCode radio transmitter function only. The chart's proximity-reader entries and bold formatting do not establish proximity-reader functionality in these garage operators. Enroll the transmitter code using the exact equipment instructions; custom and factory coding configurations remain distinct. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope
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| LSO50 Documented compatibility | Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed
Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. ACT-31DH is documented for LSO50 in MegaCode radio-control use. MegaCode radio transmitter function only. The chart's proximity-reader entries and bold formatting do not establish proximity-reader functionality in these garage operators. Enroll the transmitter code using the exact equipment instructions; custom and factory coding configurations remain distinct. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope
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| LDCO800 Documented compatibility From ACT-31DH to LDCO800. | Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed
Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. ACT-31DH is documented for LDCO800 in MegaCode radio-control use. MegaCode radio transmitter function only. The chart's proximity-reader entries and bold formatting do not establish proximity-reader functionality in these garage operators. Enroll the transmitter code using the exact equipment instructions; custom and factory coding configurations remain distinct. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope
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| LDO33 Documented compatibility | Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed
Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. ACT-31DH is documented for LDO33 in MegaCode radio-control use. MegaCode radio transmitter function only. The chart's proximity-reader entries and bold formatting do not establish proximity-reader functionality in these garage operators. Enroll the transmitter code using the exact equipment instructions; custom and factory coding configurations remain distinct. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope
|
| LDO50 Documented compatibility | Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed
Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. ACT-31DH is documented for LDO50 in MegaCode radio-control use. MegaCode radio transmitter function only. The chart's proximity-reader entries and bold formatting do not establish proximity-reader functionality in these garage operators. Enroll the transmitter code using the exact equipment instructions; custom and factory coding configurations remain distinct. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope
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Direct replacement paths
No direct successor for ACT-31DH is verified in this reference.
A direct replacement statement does not establish reverse interchangeability, a kit equivalent or a later replacement chain.
Compare exact equipment or a component.
Check a part or accessory pairing
Recall references
No recall reference is included for this identifier in the published dataset. This is not a safety clearance or proof that no recall exists.
Sources & scope
- ACT transmitter and TRANS PROX compatibility chartLinear LLC · US · checked 2026-09-11 · 232495 B
Anderson prepared this reference from the listed evidence. Source statements are not an Anderson installation inspection or independent product test. Official documents stay on their publisher’s website.
This is an independent Anderson reference. Manufacturer names identify the equipment and do not imply affiliation or authorized-dealer status.
A reference listing does not establish current stock, a price, eligibility for manufacturer support or that a component is faulty.