IS-RSM3A.1 ATEX Zone 1/21 Remote Speaker Microphone for Hazardous Areas

The IS-RSM3A.1 is an intrinsically safe remote speaker microphone designed for reliable Push-to-Talk communication and lone worker protection in hazardous environments. Certified for ATEX Zone 1 and Zone 21, it is suitable for oil and gas, chemical plants, utilities, and industrial sites where safe and clear voice communication is critical. Engineered for demanding work conditions, the IS-RSM3A.1 features a powerful amplified loudspeaker delivering audio output above 103 dB, ensuring clear communication in high-noise environments. Dual microphones combined with an integrated digital signal processor enable intelligent passive noise cancellation, capturing consistent voice input from all directions while actively reducing background noise in real time. The device is lightweight and ergonomically designed for comfortable use throughout long shifts, including operation with gloves. Programmable function keys support applications such as lone worker protection and emergency alerts, while the multifunctional lateral ISM interface allows quick and secure connection of compatible accessories. Built to industrial standards, the IS-RSM3A.1 offers IP68 protection against dust and water and complies with MIL-STD-810H for durability. A replaceable battery and reliable operation in temperatures from minus 20 to plus 55 degrees Celsius make it a dependable communication accessory for safety-critical hazardous area operations