Signal-Tech is one of the leading LED sign companies in the United States. Signal-Tech’s founders originated the dual message Banking Industry Drive-Thr
u Lane Controller in 1954, the first neon backlit OPEN/CLOSED sign. Using their expertise with direct view neon tubing and the knowledge of its superiority to
incandescent lighting they developed this innovative approach, solving a serious problem – Sign Readability in Direct Sunlight.
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