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703.8.3.5 Multiple Signals
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A receiver provided for the capture of the stronger of two signals in the receiver field of view shall provide a received power ratio on the order of 20 dB for negligible interference.
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Accessible and Usable Buildings and Facilities 2009 of Pennsylvania > 7 Communication Elements and Features > 703 Signs > 703.8 Remote Infrared Audible Sign (RIAS) Systems > 703.8.3 Infrared Audible Sign Receivers > 703.8.3.5 Multiple Signals
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