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Threats from explosive gas or combustible dust, on an oil rig or in an open mine, your workers confront them daily. Safe, reliable communication is absolutely critical in such dangerous environments. That’s where the power and performance of MOTOTRBO digital radio stands out.

The DP4401 Ex ATEX-certified portable delivers unrivaled voice and data communications with integrated GPS plus best-in-class audio that includes Intelligent Audio and customizable voice announcements.

Available in UHF and VHF frequency bands, the DP4401 Ex is easy to use and features up to 32 channel capacity, three programmable buttons, emergency button, mandown and lone worker functions and IP67 specifications for submersibility.

Best-in-class Audio

Loud front-facing speaker and Intelligent Audio feature that automatically adjusts the radio volume according the environment’s noise level

Productivity-enhancing Data Applications

Features the industry’s largest Application Developer Programme to enable a wide variety of customized applications including: location tracking, email gateways, dispatch, telephony, man-down and work order ticket management

Capacity Plus

Single-site digital trunking system that maximizes the capacity of your MOTOTRBO system. Use it to enable a high volume of voice and data communication for over a thousand users at a single site without adding new frequencies

Linked Capacity Plus

Linked Capacity Plus is a multi-site digital trunking system for the MOTOTRBO platform. It leverages the high capacity of Capacity Plus, with the wide area coverage capabilities of IP Site Connect to keep your staff at various locations connected with an affordable high-capacity, wide-area trunking solution

Basic or Enhanced Privacy

Built-in scrambling for increased security

Transmit Interrupt

Enables a user to interrupt another radio conversation to deliver critical communication exactly when and where it’s needed.

Integrated GPS

Locate mobile work teams using integrated GPS

Text Messaging

Send preprogrammed update messages to team members when radio communications need to be delivered without interrupting workers or guests

IP Site Connect

A digital solution that uses the internet to extend the voice and data capabilities of MOTOTRBO. Use it to link up to 15 sites for communication among geographically dispersed locations, to create wide area coverage or enhance coverage at a single site with physical barriers

Rugged Design

Tightly sealed against wind and dust, and submersible in up to one meter of water for 30 minutes (IP67).

Emergency Button

Orange button on the top of the radio can be programmed to send an alert to a supervisor or dispatcher during an emergency situation

Download the Specifications sheet to find out more.


    IMPRESS Remote Speaker Microphone (ATEX)


    This ATEX certified IMPRES Remote Speaker Microphone (RSM) with volume controls and emergency button ensures hassle-free communication - essential when operating a crane or repairing a pipeline.  The microphone features Windporting audio that makes it easy to communicate in windy conditions.  It also has a volume control and emergency button, giving you quick and easy access to critical features even while wearing heavy gloves.



    This peltor heavy duty headset designed to easily attach to your helmet is ATEX-certified for extreme conditions and comfortable long shifts.  With an optimal acoustic design, this headset provides ample space for ears while foam and fluid-filled cushions seal out noise, making it comfortable to wear even on long shifts.  Also features an easily adjustable noise-canceling boom microphone.




    The Remote Speaker Microphone (RSM) lets you communicate clearly in harsh environments.  Whether you are in a noisy oil refinery or in the midst of fighting a fire, can can't afford to lose seconds struggling to get your message through.  The RSM has been designed to withstand the toughest environments, while providing clear communications.

    Enhanced audio with Windporting ensures that your voice and not the surrounding noise is heard clearly.  Exaggerated controls allow you to transmit with ease even while wearing protective gear.  The rugged housing includes emergency and volume controls that are large for quick access but protected to avoid accidental activation.

    The RSM is equipped with two audio jacks.  The 3.5 mm RSM supports a discreet, receive-only earpiece with a clear comfort ear tube.  The Nexus-jack has an open ATEX/IECEx interface, enabling third party headsets with compatible interfaces such as the Draeger FPS-Com-Plus to be used safety. 


We know your radios are critical to your business- we're here for you 24/7 to keep them operational.


We've a wide range of Motorola digital and analogue radios and can install, maintain and service them for you.


Need ATEX radios for potentially explosive environments? Prefer to Hire? Talk to us about our ATEX range, whether you need short or long-term hire.


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