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![Tempo OM-05 Omni Marker II, Telephone [ORANGE], 101.4 kHz](https://www.discount-low-voltage.com/pub/media/catalog/product/cache/f8757ed7254ae340d5c4ac9c986de917/5/2/52085012-omni-marker-Orange-LARGE_1.jpg "Tempo OM-05 Omni Marker II, Telephone [ORANGE], 101.4 kHz")