Motorola PMMN4021 IS Remote Speaker Mic

Motorola PMMN4021 Intrinsically Safe (IS) Remote Speaker Microphone

Rugged, Reliable Audio for Hazardous Environments

The Motorola PMMN4021 is a heavy-duty, intrinsically safe (IS) remote speaker microphone designed for use with Motorola portable radios in explosive or flammable environments. Built to meet stringent safety standards, this RSM enables safe, clear communication without needing to remove the radio from your belt or harness.

With a loud, front-facing speaker and built-in windporting technology, it delivers consistent audio performance in high-noise or harsh weather conditions. The PMMN4021 is ideal for critical communications in industries where safety is non-negotiable.

Key Features:

• Intrinsically Safe (IS) Certified – approved for use in hazardous environments

• Loud, Clear Audio – high-output speaker delivers intelligible sound in noisy conditions

• Windporting Technology – eliminates wind noise and water intrusion from the mic port

• 3.5mm Earpiece Jack – optional discreet listening in high-risk areas

• Coiled Cable and Swivel Clip – durable, flexible, and secure for all-day use

• Front-Facing Microphone and Speaker – optimised for use on the shoulder or chest

• Genuine Motorola Accessory – designed specifically for select IS-certified radios

Compatible With:
Motorola radios certified for IS environments, including models in the GP, HT, and DP series. Contact us to confirm compatibility for your specific unit.

Ideal For:
Petrochemical, mining, emergency services, utilities, and industrial teams working in flammable or explosive environments where safety standards are critical.