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Digi-Code / Accessory reference

Digi-Code DC-LM3

Digi-Code DC-LM3: DC-LM3 is described as a 315/390 MHz visor transmitter for up to three LiftMaster, Chamberlain or Sears Craftsman garage/gate openers.

US source scopeUpdated 2026-09-12Independent Anderson reference

Match the whole number.

Manufacturer identifier: DC-LM3. Keep every character when comparing it with your label or paperwork. A similar number does not establish the same component.

Values apply to the exact identifier and scope in the cited source.
Supplier-stated detailDC-LM3 is described as a 315/390 MHz visor transmitter for up to three LiftMaster, Chamberlain or Sears Craftsman garage/gate openers.
Supplier-stated detailThe source claims support for Security+, Billion Code and Security+2.0, and names exact remote replacements.
Selection limitationRetain every G prefix, dot and suffix in the replacement list. Generic myQ wording does not establish app or Wi-Fi connectivity, and protocol/frequency groups do not prove exact installed-opener fitment.

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.

No equipment or component pairing is verified in this published reference. Match the exact equipment with Denco source reference before selecting a component.

Direct replacement paths

No direct successor for DC-LM3 is verified in this reference.

Earlier numbers this item is listed to replace

  • DC-LM3 replaces 950CB only within the following source scope.

    Denco names DC-LM3 as a replacement for 950CB. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces 139.53681B only within the following source scope.

    Denco names DC-LM3 as a replacement for 139.53681B. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces 973LM only within the following source scope.

    Denco names DC-LM3 as a replacement for 973LM. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces 950ESTD only within the following source scope.

    Denco names DC-LM3 as a replacement for 950ESTD. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces 950CD only within the following source scope.

    Denco names DC-LM3 as a replacement for 950CD. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces 139.30498 only within the following source scope.

    Denco names DC-LM3 as a replacement for 139.30498. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces G373LM only within the following source scope.

    Denco names DC-LM3 as a replacement for G373LM. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces G971LM only within the following source scope.

    Denco names DC-LM3 as a replacement for G971LM. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces 893MAX only within the following source scope.

    Denco names DC-LM3 as a replacement for 893MAX. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces 953EV only within the following source scope.

    Denco names DC-LM3 as a replacement for 953EV. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces 953CD only within the following source scope.

    Denco names DC-LM3 as a replacement for 953CD. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces 139.53753 only within the following source scope.

    Denco names DC-LM3 as a replacement for 139.53753. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces 953CB only within the following source scope.

    Denco names DC-LM3 as a replacement for 953CB. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces G893LMMC only within the following source scope.

    Denco names DC-LM3 as a replacement for G893LMMC. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

  • DC-LM3 replaces G371LM only within the following source scope.

    Denco names DC-LM3 as a replacement for G371LM. Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

    Applies only within this source scope
    • Market: US
    • replacement-purpose: Replacement of the exact named remote or keypad; installed receiver and required functions must be checked.
    • replacement-capacity: Up to three supported devices
    • replacement-format: Supported 315/390 MHz Security+, Billion Code or Security+ 2.0 configuration
    • Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test.
    • Keep every named G prefix, dot and suffix. The source does not independently establish an exact installed opener or myQ app connectivity.

A direct replacement statement does not establish reverse interchangeability, a kit equivalent or a later replacement chain.

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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

  1. Denco supplier reference: RC DC-LM3Denco · US · checked 2026-09-12

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.

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