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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.

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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 136-174/350-400/
400~470MHz
Channel Capacity
199 Channels/
2 Zones
Channel Spacing
12.5kHz / 25kHz
Frequency Stability
±1.0 ppm
Normal Operating
Voltage
7.4V DC
Operating
Temperature
-25℃～+55℃
Store Temperature
-40℃～＋80℃
Dimension 133.5*61.7*40mm
Waterproof and
Dustproof
IP68
TX Output Power
High:3W   Low:1W 
Receiver
Channel Spacing
12.5kHz/25kHz
Frequency Stability
＋/－1.0ppm
Analog Sensitivity 0.22uV/-120dBm(20dB SINAD) 
0.18uV/-122dBm(typical)
Digital Sensitivity 0.25uV/-119dBm (BER 5%) 
0.4uV/-115dBm (BER 1%)
Intermodulation TIA603C：60dB   
ETSI：60dB
Adjacent Channel
Selectivity 		TIA603C：60dB@12.5KHz 
ETSI: 60dB@12.5KHz
Co-Channel
Rejection
12dB@12.5kHz
Spurious Response
Rejection
 TIA603C：65dB;
ETSI: 60dB
RX Spurious
Radiation 		－57dBm@<1GHz，
－47dBm@>1GHz
Blocking
84dB
Rated Audio Power
1W, Working Current 0.35A
Audio Response
＋1dB ～-3dB
Rated Audio
Distortion
≤3％
Transmitter
Channel Spacing 12.5kHz/25kHz
Frequency Stability
＋/－1.0ppm
FM Noise
－40dB@12.5kHz 
TX Spurious
Radiation 		-36dBm@<1GHz,
-30dBm@>1GHz
Adjacent Channel
Power
-60dB@12.5kHz
FM Modulation
Mode
12.5KHz：11K0F3E   
4FSK Digital Mode 12.5KHz(data only):7K60FXD 
12.5KHz(data+voice):7K60FXE
Modulation Limiting
2.5KHz@12.5KHz   
Free Timeslot
Power
-57dB
Audio Distortion
<=3％
Digital Protocol ETSI TS 102 361-1,-2,-3
Vocoder Type
AMBE＋2™

Product accessories

  • Charger Pod

    Charger Pod

  • Antenna

    Antenna

  • Belt Clip

    Belt Clip

  • Battery

    Battery

  • Hand Strap

    Hand Strap

  • Charger

    Charger

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