Scott Safety voice amp is Bluetooth-enabled
The Scott Safety EPIC 3 Radio Direct Interface (RDI) voice amplifier enhances SCBA facepiece voice intelligibility and delivers clear, two-way radio communication when operated with compatible handheld field radios and remote speaker microphones. The amp is compatible with all Scott AV, Vision and Promask series facepieces and breathing apparatus systems. The amp operates directly with all compatible Bluetooth-enabled handheld field radios and matching remote speaker microphones.
Details can be found at http://www.scottsafety.com under products/communication.