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Notice Radio Frequency Transmitters In Use Label, SKU: LB-0103
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 "California Code of Regulations, Title 8, Section 5085. Radiofrequency and Microwave Radiation.")
California Code of Regulations, Title 8, Section 5085. Radiofrequency and Microwave Radiation.
SmartSign "Warning - Radio Frequency Field, Site Exceed FCC Rules For Human Exposure" Sign | 10" x 14" Aluminum: Amazon.com: Industrial & Scientific
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File:Warning - Radio-Frequency Radiation Hazard Sign.svg - Wikimedia Commons
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Warning Radio Frequency Emissions Exceed Exposure Limit Sign, SKU: S-6085
