Materials Effect on Signal Loss ObstructionAdditional Loss dB Effective Range Feet Open Space0Up to 100 Window – Glass370 Window – Metal Tint5-850 Drywall5-850 Woodwall1030 6 Wall15-2015 12 Wall20-2510 Floor/Ceiling15-2015 Floor/Ceiling – Thick20-2510 76 Copyright 2005-2013 Kenneth M.
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