Mighty Mule R4211

Best price Mighty Mule R4211 Replacement Control Board for GTO/Mighty Mule Gate Openers. Built to support all GTO/Mighty Mule accessories Can handle Mighty Mule R4211 push and pull-to-open settings and dual gate operation and can direct power from a solar panel or from an AC transformer ... Learn more »

Mighty Mule R4211 Review: Mighty Mule R4211 Replacement Control Board for GTO/Mighty Mule Gate Openers. I had the older green-board in my opener, the old board worked in every way except charging the battery. I could not find anyone to repair the old green-board so had to buy new. I feel it is pretty expensive, but there was little alternative.The new blue-board worked just fine as a replacement for the older green-board. The new board has nicer features when it comes to setting delays and stop limits on the gate. No more dip switches and relays are more compact.In all, a ... Read more »

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