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General| Model | MT53H7 4400-EU |
|---|---|
| Type | Communication Headset |
| Communication Type | Two-way radio |
| Frequency Range | 453.4 - 467.5 MHz |
| Number of Channels | 8 |
| Noise Reduction Rating (NRR) | 25 dB |
| Weight | 453 g |
| Operating Temperature | -20°C to +55°C |
| Microphone Type | Noise Cancelling |
| Standards | EN 352-1 |
| Battery Life | About 20 hours |
Details of the headband, its padding, wire, fasteners, cup, microphone, controls, and antenna.
Description of the cup supporting arm for helmet mounting.
Details of the neckband, its wire, and cover.
Instructions for fitting and adjusting the headband for proper seal and comfort.
Steps for attaching the headset to a helmet and switching between modes.
Procedures for powering the device on/off and navigating through its menu options.
Instructions for adjusting radio volume and selecting communication channels.
Explains voice-activated transmission, hiss reduction, and push-to-talk features.
Instructions for removing/replacing ear cushions and cleaning the headset components.
Guidelines for proper storage and operating temperature limits for the device.
Details on sound attenuation levels, SNR, and related data for different configurations.
Explanation of terms like frequency, mean attenuation, and standard deviation in data tables.
Table listing compatible industrial safety helmets and their attachments.
Information on product conformity with directives and testing standards.
List of available hygiene kits, protectors, batteries, and microphones.
