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Unify OpenStage M3 EX - DECT Handset

Product number: 5076 / Weight: 0.5 kg

Unify OpenStage M3 - DECT handset, with EX protection

  inkl. 19% VAT.  (Shipping address Germany)
Only some items on stock! Delivery time: 3 - 10 Days

OpenStage M3 EX - DECT handset suitable for potentially explosive environments (gas and dust filled atmospheres)

The OpenStage M3 DECT handsets are a family of handsets suitable for harsh environments where they are exposed to moisture, dirt, shock, dust or strong ambient noise. With their IP65 housing rating, these handsets are a perfect fit for these environments. In addition, variants with various emergency call options are available, as well as variants that can be used in potentially explosive environments. Although OpenStage M3 handsets are designed for such environments, they impress with their high-quality handset and a large 1.8" TFT color display with modern user interface. In addition to the high quality appearance, they also offer the highest technical performance such as excellent voice quality optimized for noisy environments, Bluetooth interface and their black/silver color.

Functionality of the Ex handsets

The following table provides an overview of the Ex classification of the OpenStage M3 Ex/M3 Ex Plus handsets:

Gas filled atmospheres

  • Suitable for explosive gas areas of zone 1
  • Ex-approval for gas: II 2G Ex ib IIC T4 Gb

Dust filled atmospheres

  • Suitable for explosive dust areas of zone 21
  • Ex-approval for dust: II 2D Ex tb IIIC T120°C Db


  • Headset connector: Bluetooth only (2.5mm jack closed)
  • Special OpenStage M3 Ex battery: 1000mA/3,7V, part number: V30145-K1310-X453
  • The Ex handsets comply with ATEX directive 2014/34/EU

Performance features

The following table provides an overview. For a complete overview, please refer to the Lang operating instructions.

Mobility Features

Multi-cell capability

  • Roaming
  • Seamless connection handover (cell change during the call)
  • Automatic channel change in case of interference (bearer handover)
  • Indication in the display when leaving the radio network


  • Encrypted voice transmission according to DECT standard
  • Secured system login

Multi-DECT system capability - parallel registration of the OpenStage M3 to up to 4 DECT systems possible.

Features of the OpenStage M3 handsets


  • Backlit keypad
  • Hands-free key
  • Message Waiting Key
  • 5-way navigation key
  • Keypad lock key on/off
  • Ring tones off key
  • Functions of the off-hook key:
    • short press: Redial list
    • long press: Dial state
  • programmable display keys
  • 2-way side buttons for easy volume adjustment during a call


  • Housing protection class IP 65
  • Protected against water jets
  • Protected against dust
  • Shockproof and shatterproof
  • Surface of the housing silicone-free
  • Robust carrying clip


  • Illuminated graphic display
  • Brilliant TFT graphic display, 65k colors, 128*160 pixel resolution
  • Setting of different color schemes and screen saver
  • Display of fonts and symbols in different states in large letters
  • Dark switching of the display
  • Local languages of the handset (26 languages):

English, French, German, Italian, Spanish, Portuguese, Dutch, Danish, Norwegian, Swedish, Finnish, Czech, Polish, Turkish, Greek, Hungarian, Russian, Croatian, Slovenian, Romanian, Serbian, Catalan, Bulgarian, Bosnian, Ukrainian, Arabic

Display indications in idle state

  • Status displays to:
    • Battery charge status
    • Reception field strength
    • Ring tones off
    • Attention tone on
    • Key lock on
    • Bluetooth enabled
  • Local editing of the base name
  • Display of (display indications after the first off-hook):
    • own phone number
    • Date and time


  • Images from Mediapool loadable
    • alternative to pictures: Analog or digital clock
  • Screensaver replaces the displays in idle mode


  • Handset is preset
  • Individual settings:
    • DeepL Access to phone numbers
    • Assign numeric key/display keys
    • Display: language, color scheme, contrast, illumination, screen saver
    • Automatic call acceptance on/off
    • Handsfree/handset volume
    • Ring tones, ringing melodies

Media Pool managed:

  • Monophonic ringtones (sounds)
  • Polyphonic ringing melodies (sounds)
  • Screensaver images

Alarm clock

  • activatable/deactivatable
  • Period: Monday - Friday or daily
  • Wake-up call is signaled with selected sound

Appointment (calendar)

  • You can be reminded of up to 30 appointments:
    • Appointments of the day are displayed
    • Appointment can be supplemented with text
    • Appointment call is signaled with selected sound
    • Specified text and time are displayed
  • Unaccepted appointments are saved in the Missed appointments list.

Phone book

  • Possibility of saving the phone book:
    • Up to 500 entries for all directories
    • Speed access to one number (speed dial)
    • Up to three phone numbers with associated first and last name (home/office/mobile), e-mail address, anniversaries with signaling, VIP melody, CLIP pictures
  • Phonebook administration via PC (Gigaset QuickSync PC application):
    • Via Bluetooth interface
    • Via mini USB interface
  • Backup/load phonebook data from/to HiPath Manager (HiPath Cordless Enterprise) system.
  • Access to central phone book of the system:
    • LDAP-Telefondatenbank (bei HiPath Cordless Office/HiPath Cordless IP)
    • HiPath Manager (bei HiPath Cordless Enterprise)

Signaling messages

  • Signaling of new messages by flashing message key (MWI key).
  • Display of the new message by pressing the MWI key

Signaling calls

  • Automatic call acceptance when removed from charging cradle (configurable)
  • Silent signaling (vibration alarm)
  • optical/acoustic call signaling
  • display of the caller's number or name
  • differentiation between internal, external calls
  • ring tones and melodies:
    • 5 standard ringing tones
    • 15 Polyphonic call melodies
  • Call tones can be switched off, but attention tone can be activated
  • Volume for internal and external calls separately adjustable
  • Volume adjustable in 5 levels and crescendo

Handset lock

  • with 4-digit PIN


  • Lithium-ion battery pack
  • Capacity: 1000mAh
  • one battery pack is included
  • Charging
    • when switched off
    • with PIN protection switched on
    • in operating state
  • Warning tone before battery is completely empty (configurable)


Connection of a headset via:

  • Corded: 2,5 mm Socket
  • Cordless: Bluetooth
  • Getestete Corded-Headsets: 
    • Jabra GN2000 
    • Jabra BIZ 2400 
    • Jabra BIZ 1900 Mono
      • the Jabra adapter cable 8800-00-55 is required to connect Jabra/GN headsets
    • Plantronics EncorePro 710/720
    • Plantronics EncorePro 510/520/530/540
    • Plantronics SupraPlus HW251/261
    • Plantronics Entera HW111/121 
      • the Plantronics adapter cable 2.5mm to QD - Plantronics P/N 64279-02 is needed to connect the Plantronics headsets
  • Getestete Cordless (Bluetooth)-Headsets:
    • Jabra Supreme UC
    • Jabra Motion UC 
    • Jabra GO 6430
    • Plantronics Voyager 8200 UC
    • Plantronics Voyager Focus UC
    • Plantronics Voyager 5200 UC
    • Plantronics Voyager 3200 UC

Accessories (e.g. carrying aids)

  • a belt clip is included with the phone

PC Interface

  • Bluetooth, Mini-USB 
  • Bluetooh specification: V2.1, the following profiles are available:
    • Headset-HSP, Data-SPP, Handset-HFP, Object- Push- Profile OPP

PC application

  • Gigaset QuickSync
    • Phone book synchronization
    • Loading screensavers, CLIP images; melodies and ringtones

Suitable for HPS (HiPath Positioning System)

  • Locating mobile subscribers (only on HiPath Cordless Enterprise) using HiPath Positioning System

PC-Software (Gigaset QuickSync)

Technical data

  • Standard battery type (shipped with the phone)
    • 1 Lithium-ion battery pack 1000 mAh
  • Dimensions
    • Handset 154 x 56 x 26 (H × W × D in mm)
    • Weight (incl. battery) approx. 166g
    • Tray scale 89.5 x 86 x 36 (H × W × T in mm)
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