The Motorola ATEX Remote Speaker Microphone PMMN4067 is engineered for safe and reliable communication in hazardous environments. Featuring IMPRES™ technology for superior audio quality, Windporting to combat background noise in windy conditions, and an IP64 rating for dust and water protection, this rugged RSM delivers dependable performance. Equipped with an emergency button and volume control, it ensures enhanced safety and convenience. Ideal for professionals in challenging environments, this ATEX-certified microphone is a critical communication tool.