Linear / Accessory reference

Linear MDRG radio receiver

MDRG identifies a radio receiver. The cited source supports only the exact facts and relationships shown; other equipment pairings remain unverified.

US source scopeUpdated 2026-09-11Independent Anderson reference

Match the whole number.

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

MDTK digital keypad instructionsPage 1, Programming Receivers, opening sentence and channel-two callout · checked 2026-09-11 · 208761 D · Linear LLC
MDRG exact product identificationDescription, Part Number; corroborating exact MDRG manual 210211 B · checked 2026-09-11 · Linear / Nice

Documented alternate identifiers

DNR00073
- MDRG exact product identificationDescription, Part Number · checked 2026-09-11 · Linear / Nice

Values apply to the exact identifier and scope in the cited source.
Component function	Radio receiver View source and citation details MDTK digital keypad instructionsPage 1, Programming Receivers, opening sentence and channel-two callout · checked 2026-09-11 · 208761 D · Linear LLC
Receiver function	Radio receiver for automatic gate control View source and citation details MDRG exact product identificationDescription, first sentence · checked 2026-09-11 · Linear / Nice
Channel count	1 channel View source and citation details MDRG exact product identificationProduct title; immutable observed-inventory MDRG card identifies this exact page · checked 2026-09-11 · Linear / Nice
Normal supply	24 VAC or VDC View source and citation details MDRG receiver installation referencePage 1, Description, normally powered statement · checked 2026-09-11 · 210211 B · Linear / Nice
Transmitter memory	40 transmitters per receiver View source and citation details MDRG receiver installation referencePage 1, Description and Step 5 · checked 2026-09-11 · 210211 B · Linear / Nice
Antenna connection	Type F connector View source and citation details MDRG receiver installation referencePage 1, Description · checked 2026-09-11 · 210211 B · Linear / Nice
Supplied local antenna length	9 inches View source and citation details MDRG receiver installation referencePage 1, Description · checked 2026-09-11 · 210211 B · Linear / Nice
Radio format	MegaCode View source and citation details MDRG receiver installation referencePage 1, title and Description · checked 2026-09-11 · 210211 B · Linear / Nice
Supply scope	The 24 V specification is the normal receiver input. Equipment with a different supply requires the separate source-specified arrangement; no universal operator fitment is established. View source and citation details MDRG receiver installation referencePage 1 Description and separate non-24 V operator installation scope · checked 2026-09-11 · 210211 B · Linear / Nice

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.

Source statements and their exact conditions. Read the documented direction and conditions for each pairing.
Equipment or component / relationship	Evidence and conditions
ACT-31B Documented compatibility From ACT-31B to MDRG.	Conditional ACT-31B 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 Market: US comparison-function: MegaCode radio control ACT transmitter and TRANS PROX compatibility chartPages 1-3, exact ACT-31B family row; page 4, compatibility chart Gate Receivers cell, exact MDRG row · checked 2026-09-11 · 232495 B · Linear LLC
ACT-31C Documented compatibility From ACT-31C to MDRG.	Conditional ACT-31C 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 Market: US comparison-function: MegaCode radio control ACT transmitter and TRANS PROX compatibility chartPages 1-3, exact ACT-31C family row; page 4, compatibility chart Gate Receivers cell, exact MDRG row · checked 2026-09-11 · 232495 B · Linear LLC
ACT-31D Documented compatibility From ACT-31D to MDRG.	Conditional ACT-31D 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 Market: US comparison-function: MegaCode radio control ACT transmitter and TRANS PROX compatibility chartPages 1-3, exact ACT-31D family row; page 4, compatibility chart Gate Receivers cell, exact MDRG row · checked 2026-09-11 · 232495 B · Linear LLC
ACT-31DH Documented compatibility From ACT-31DH to MDRG.	Conditional 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 Market: US comparison-function: MegaCode radio control ACT transmitter and TRANS PROX compatibility chartPages 1-3, exact ACT-31DH family row; page 4, compatibility chart Gate Receivers cell, exact MDRG row · checked 2026-09-11 · 232495 B · Linear LLC
ACT-31DHC Documented compatibility From ACT-31DHC to MDRG.	Conditional ACT-31DHC 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 Market: US comparison-function: MegaCode radio control ACT transmitter and TRANS PROX compatibility chartPages 1-3, exact ACT-31DHC family row; page 4, compatibility chart Gate Receivers cell, exact MDRG row · checked 2026-09-11 · 232495 B · Linear LLC
ACT-34B Documented compatibility From ACT-34B to MDRG.	Conditional ACT-34B 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 Market: US comparison-function: MegaCode radio control ACT transmitter and TRANS PROX compatibility chartPages 1-3, exact ACT-34B family row; page 4, compatibility chart Gate Receivers cell, exact MDRG row · checked 2026-09-11 · 232495 B · Linear LLC
ACT-34C Documented compatibility From ACT-34C to MDRG.	Conditional ACT-34C 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 Market: US comparison-function: MegaCode radio control ACT transmitter and TRANS PROX compatibility chartPages 1-3, exact ACT-34C family row; page 4, compatibility chart Gate Receivers cell, exact MDRG row · checked 2026-09-11 · 232495 B · Linear LLC
ACT-34D Documented compatibility From ACT-34D to MDRG.	Conditional ACT-34D 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 Market: US comparison-function: MegaCode radio control ACT transmitter and TRANS PROX compatibility chartPages 1-3, exact ACT-34D family row; page 4, compatibility chart Gate Receivers cell, exact MDRG row · checked 2026-09-11 · 232495 B · Linear LLC
ACT-34DH Documented compatibility From ACT-34DH to MDRG.	Conditional ACT-34DH 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 Market: US comparison-function: MegaCode radio control ACT transmitter and TRANS PROX compatibility chartPages 1-3, exact ACT-34DH family row; page 4, compatibility chart Gate Receivers cell, exact MDRG row · checked 2026-09-11 · 232495 B · Linear LLC
ACT-34DHC Documented compatibility From ACT-34DHC to MDRG.	Conditional ACT-34DHC 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 Market: US comparison-function: MegaCode radio control ACT transmitter and TRANS PROX compatibility chartPages 1-3, exact ACT-34DHC family row; page 4, compatibility chart Gate Receivers cell, exact MDRG row · checked 2026-09-11 · 232495 B · Linear LLC
MDTK Documented compatibility From MDTK to MDRG.	Conditional MDTK is documented for MDRG in MegaCode radio-control use. Keypad enrollment into the four named radio receivers only; no downstream operator fitment. Channel two is stated for MDR-2 only. The receiver must be installed and its keypad code enrolled according to the exact equipment instructions. No downstream opener model compatibility is inferred. Code enrollment and installation follow the exact equipment instructions; this does not verify an installed system. Applies only within this source scope Market: US comparison-function: MegaCode radio control MDTK digital keypad instructionsPage 1, Programming Receivers, opening sentence and channel-two callout · checked 2026-09-11 · 208761 D · Linear LLC

Direct replacement paths

No direct successor for MDRG is verified in this reference.

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

The listed pairing applies in the direction shown above. Open the listed component’s reference to check its pairing with this item. You can also look up another part or accessory. A missing pairing does not establish incompatibility.

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
MDTK digital keypad instructionsLinear LLC · US · checked 2026-09-11 · 208761 D
MDRG exact product identificationLinear / Nice · US · checked 2026-09-11
MDRG receiver installation referenceLinear / Nice · US · checked 2026-09-11 · 210211 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.

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Confirm a missing detail

Use Linear official support and match the complete part number, equipment model and production details with the source scope.

Use safely accessible labels and existing paperwork. Do not remove powered covers or adjust springs or cables to identify a component.

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.