Home - Products - M4EX Intrinsically Safe DMR Portable Radio

M4EX Intrinsically Safe DMR Portable Radio

M4EX

M4EX Intrinsically Safe version is specially designed for those who work in environments with explosive gas and combustible dusts, providing secure and reliable voice and data communication in the dangerous areas.

Product Orientation Map

GET A QUOTE

Features

Specifications

Accessories

General Features
  • ● Operation modes: Digital Mode / Analog Mode
  • ● Announce the Channel Number
  • ● VOX
  • ● Buttons Lock
  • ● Prompt Tone
  • ● Battery Save
  • ● Channels Scan
  • ● Programmable functions for side key
  • ● Low battery alert
  • ● Transmit permission
Digital mode
  • ● Single call /Group call/ All call
  • ● Encryption
  • ● Emergency Alarm
  • ● Remote Monitor
  • ● Radio Detection
  • ● Remote Kill / Remote Revive
  • ● Color code
  • ● One Touch feature for voice messages and data
  • ● DMO 2-Slot / DMRA Direct Mode
  • ● Repeater function
Analog Mode
  • ● Squelch Level
  • ● Compander
  • ● Scrambler
  • ● Monitor function
  • ● Wide/Narrow bandwidth selective
  • ● Modulation Type: FM
  • ● CTCSS/DCS
  • ● Busy Channel Lock-out
  • ● Tail Tone Eliminate

Appearance Introduction








Product Accessories

  • Charger Pod

    Charger Pod

  • Antenna

    Antenna

  • Belt Clip

    Belt Clip

  • Battery

    Battery

  • Hand Strap

    Hand Strap

  • Charger

    Charger

General
Frequecy 136~174MHz,
350~400MHz
400~470MHz,
450~520MHz
Channel Capacity 32 Channels/
2 Zones
Channel Spacing 12.5kHz / 25kHz
Operating Voltage 7.4V 
Battery Capacity 2200mAh
Battery Life (5/5/90) Analog: 11 hours;
Digital: 14 hours
Vocoder Type AMBE+2
Dimension 133.5*61.7*40mm
Weight Around 3030g 
Ingress Protection
(IP) Rating 		IP68
Receiver
Analog Sensitivity 0.2μV (12dB SINAD)
Digital Sensitivity 0.22μV (Typical)
(BER 5%)
Adjacent Channel
Selectivity 		60dB@12.5KHz /
65dB@25KHz
Intermodulation
Rejection 		60dB@12.5KHz /
60dB@25KHz
Blocking 84dB@12.5KHz /
84dB@25KHz
Co-Channel
Rejection
 -12dB@12.5KHz /
 -8dB@25KHz
Spurious Response
Rejection 		65dB@12.5KHz /
65dB@25KHz
Rated Audio
Output Power 		1.0W /16Ω 
Conducted Spurious
Emission 		<-57dBm
(9KHz～1GHz)
<-47dBm
(1GHz～12.75GHz)
Transmitter
RF Power
 1W (Low) /≤5W (High)
Power Margin Variation
 +2/-3dB(under Extreme
Conditions)
Frequency  Error ±1.0ppm
FSK Error
 <5%
4FSK Transmission
Bit Error Rate (BER)
 ≤1×10-4
4FSK Modulation
Frequency Deviation Error
 ≤10.0%
Occupied Bandwidth
(DMR)
 ≤8.5KHz
TX Attack/Release Time
 ≤1.5ms
Adjacent Channel Power
 ≤-50dB@12.5KHz/≤-60dB@25KHz 
Transient Adjacent
Channel Power
 ≤-50dB@12.5KHz/≤-60dB@25KHz
FM Modulation
 16K0F3E@25KHz/11K0F3E@12.5KHz
4FSK Digital Modulation
 12.5KHz(data only):7K60FXD
12.5KHz(data＋voice):7K60FXE
Audio Distortion
 ≤3% @ 40% Deviation
Audio Response
 +1 ~ -3dB
FM Hum and Noise
 40dB@12.5KHz/45dB@25KHz
Spurious Emission
 ≤-36dBm (9KHz～1GHz)
≤-30dBm (1GHz~12.75GHz)

*The above specifications are tested in accordance with applicable standards. Due to the continuous development of technology, the above index data are subject to change without notice.

Product accessories

  • Charger Pod

    Charger Pod

  • Antenna

    Antenna

  • Belt Clip

    Belt Clip

  • Battery

    Battery

  • Hand Strap

    Hand Strap

  • Charger

    Charger

If you have any questions about this product, please fill out the form below to reach us!