3M Peltor WS LiteCom Pro III Ex Headset – MT73H7F4D10EU-50
The 3M Peltor WS LiteCom Pro III Ex Headset (MT73H7F4D10EU-50) is a professional ATEX and IECEx certified communication headset designed for use in potentially explosive atmospheres. Combining hearing protection with a built-in analogue and digital two-way radio, it provides reliable communication in demanding industrial environments without requiring a separate handheld radio.
Operating across the 403–470MHz UHF frequency range, the headset supports up to 70 programmable radio channels and features a noise-cancelling boom microphone with voice-operated transmission (VOX). Bluetooth multipoint connectivity also allows users to connect compatible external devices wirelessly.
The headset features level-dependent ambient listening technology, helping users remain aware of nearby sounds and conversations while maintaining hearing protection. Its headband design makes it suitable for professionals working in oil and gas, petrochemical facilities, mining and other hazardous industrial environments.
Key Features:
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ATEX and IECEx certified for specified potentially explosive atmospheres
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Built-in analogue and digital UHF two-way radio
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403–470MHz operating frequency range
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Up to 70 programmable radio channels
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Supports analogue FM and digital DMR communication
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Bluetooth multipoint connectivity
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Noise-cancelling boom microphone
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VOX functionality for hands-free radio transmission
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Level-dependent ambient listening for improved situational awareness
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SNR 33dB hearing protection rating
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Rechargeable lithium-ion battery
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Headband design for professional industrial use
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Suitable for oil and gas, petrochemical, mining and hazardous-area applications
Technical Specifications:
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Manufacturer: 3M Peltor
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Model: MT73H7F4D10EU-50
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Frequency Range: 403–470MHz
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Radio Channels: 70 programmable
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Channel Spacing: 12.5kHz / 25kHz
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Communication: Analogue and digital
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Microphone: Noise-cancelling dynamic boom microphone
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Hearing Protection: SNR 33dB
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Battery: Rechargeable lithium-ion
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Weight: Approximately 521g including battery
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Mounting Style: Headband
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Certification: ATEX / IECEx
Compatibility and Safety: This is the headband version of the 3M Peltor WS LiteCom Pro III Ex headset. Radio frequencies and programming must be compatible with the intended communication system. Use only manufacturer-approved batteries and accessories, and verify the headset's certification against the hazardous-area classification before use.