What is my opener's frequency?
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Z-Wave enabled openers have a gray antenna
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372MHz openers have a yellow antenna. All DoorMaster, idrive, and prodrive openers are 372 MHz. Newer Classicdrive and Quantum openers are also 372 MHz.
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303 MHz openers are indicated with any other antenna color including black, white, or green. Older model Classicdrive and Quantum openers are 303 MHz.