Heddolf / Accessory reference

Heddolf GRC390/315-3

Heddolf GRC390/315-3: Heddolf GRC390/315-3 is described as a three-button Genie rolling-code-compatible transmitter operating at 390 or 315 MHz.

US source scopeUpdated 2026-09-12Independent Anderson reference

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Manufacturer identifier: GRC390/315-3. Keep every character when comparing it with your label or paperwork. A similar number does not establish the same component.

Denco supplier reference: RC GRC390/315-3Product h1 and span.sku; Description compatibility, button if explicit, RF and switch details · checked 2026-09-12 · Denco

Values apply to the exact identifier and scope in the cited source.
Supplier-stated detail	Heddolf GRC390/315-3 is described as a three-button Genie rolling-code-compatible transmitter operating at 390 or 315 MHz. Denco supplier reference: RC GRC390/315-3Product h1 and span.sku; Description compatibility, button if explicit, RF and switch details · checked 2026-09-12 · Denco
Selection limitation	The source states 390 or 315 MHz. Simultaneous operation, exact Intellicode generation, per-button setup and date range are not supplied; the slash and -3 suffix matter. Denco supplier reference: RC GRC390/315-3Product h1 and span.sku; Description compatibility, button if explicit, RF and switch details · checked 2026-09-12 · Denco

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Denco supplier reference: RC GRC390/315-3Denco · US · checked 2026-09-12

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