Request InfoFotofabShields are used to limit the transmission of electromagnetic waves and prevent interference in sensitive electronic devices. Whether you have radio frequency (RF) or electromagnetic interference (EMI), Fotofab shields are able to restrict waves from entering or leaving a device. For over 50 years Fotofab has been helping customers, across all industries, create custom RF and EMI shielding. Through our unique photochemical etching process, we are able to manufacture extremely precise parts. 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