IS-RSM3B.1 ATEX Zone 1/21 Bluetooth Remote Speaker Microphone

The IS-RSM3B.1 is an intrinsically safe Bluetooth 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 clear and secure voice communication is essential. Featuring Bluetooth 5.2 connectivity, the IS-RSM3B.1 enables wireless operation while maintaining stable and dependable performance. A powerful amplified loudspeaker delivers audio output above 103 dB, ensuring messages remain clear even in high-noise industrial environments. Strategically positioned microphones support consistent voice capture from all directions. Dual microphones combined with an integrated digital signal processor provide intelligent passive noise cancellation and real-time background noise reduction. This ensures clear communication during demanding operations, including maintenance, inspections, and emergency response scenarios. Designed for daily industrial use, the IS-RSM3B.1 is lightweight, ergonomic, and easy to operate with gloves. It offers IP68 protection against dust and water, complies with MIL-STD-810H for durability, and operates reliably in temperatures from minus 20 to plus 55 degrees Celsius, making it a dependable hazardous-area communication accessory.