WMD TriCom radio interface allows communication among first responders wearing powered air-purifying respirators (PAPR). Does not compromise integrity of users protective suit. Withstands harsh environment of decontamination shower. Features adjustable throat microphone that senses speakers voice and cancels out surrounding PAPR blower noise. Voice may be heard from more than 50 ft. away. Raised push-to-talk button allows radio control even while wearing thick, protective gloves.