DP4401 Ex Ma walkie talkie for underground mining environments

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  • 10 - 49 Units
  • >=50 Units
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Quick Details
Place of Origin:
Brand Name:
Model Number:
DP4401 Ex Ma
138.5 x 56.7 x 37.8mm
Frequency Range:
136-174MHz 403-470MHz
Storage Channel:
32 Channels
Talk Range:
power supply:
Operating temprature:
-30 to +60
channel spacing:
Output Power:
12 Months
DP4401 Ex Ma walkie talkie for underground mining environments
Supply Ability
Supply Ability:
3000 Unit/Units per Month DP4401 Ex Ma walkie talkie for underground mining environments
Packaging & Delivery
Packaging Details
Standard packaging
One Piece in one box ,total in the carton
FOR DP4401 Ex Ma walkie talkie for underground mining environments
Lead Time :
4-5 working days for walkie talkie


DP4401 Ex Ma walkie talkie for underground mining environments

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Main Feature


Best-in-class Audio

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

Text Messaging

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

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


Three levels of scrambling or encryption built-in for increased security: 16-bit Basic Privacy, 40-bit Enhanced Privacy or 256-bit AES256 encryption.

Rugged, Reliable Design

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

Transmit Interrupt

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

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

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

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

ATEX/IEC EX Cerified

Certified to the highest level for use in potentially explosive environments. DP4000 Ex Ma radios are ATEX-certified to class M1 for equipment that is intended for use in underground mines.

General Specifications 

Frequency Range

136-174MHz 403-470MHz

Channel Capacity


Frequency Spacing

12.5/20/25 KHz

Power supply


battery capacity

2000mAh Li-ion battery 

Frequency Stability


Operating Temperature Range

-30 °C to + 60°C 

Dimension (L×W×H)

138.5 x 56.7 x 37.8mm



Transmitter and receiver

Output power

UHF:1W / 5W VHF: 1W / 4W



FM Hum and Noise

40dB @ 12.5KHz; 45dB @ 25KHz


Modulation Limited

±2.5KHz @ 12.5KHz;  ±5.0KHz @ 25KHz 

Audio Distortion


Conducted / Radiated Emission

-36dBm <1GHz
-30dBm >1GHz 

Adjacent Channel Power

-60 dB @ 12.5 kHz

-70 dB @  25 kHz


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Company Profile




1. What is your radios warranty?

Radio body:1 year, accessories: 6 months


2. What is your lead time for the radio?

2-3 days for order prepare after we get payment.  Add 5-6 days for Express transportation.


3. What payment method can your company provide?

T/T ,Western Union


4. Can you offer CO,CE these documents for radio customs clearance?


we can help you find the agent to do for you, but the CE /COO cost need to be paid by yourself.


5. Can you offer the sample for me to test the quality first?

Yes, we can offer the sample , but sample cost and shipping cost need to pay by yourself, the fee will return to you when place order.


6. What is the MOQ for the radio?

Lower price radio: 6pcs.

High price radio:2pcs.


7. Do you have radio agent certificate?

 Yes, we are Motorola, Hytera, Baofeng, Vertex these radio authorized agent, all of these certificates we have and can offer to you