The Motorola IMPRES Remote Speaker Microphone (PMMN4073A) delivers reliable communication in demanding environments. With an IP55 rating, it resists dust and water while featuring IMPRES™ technology for superior audio clarity, ambient noise suppression, and enhanced voice intelligibility. Windporting technology eliminates wind noise and prevents water from clogging the microphone, ensuring clear transmissions in harsh conditions. Equipped with a 3.5mm audio jack, it supports discreet earpiece connections for private communication. Intrinsically safe and UL-TIA4950 compliant, this small-housing RSM is compatible with Motorola DP2400, DP2600, DP3441, DP3441e, DP3661e, and MTP3000 series radios, making it versatile and reliable.