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Hytera MT680 Plus

MT680 Plus is the TETRA mobile radio from Hytera with advanced features. This TETRA mobile radio offers various operating modes, such as ETSI DMO Gateway and DMO Repeater mode, in order to tremendously increase the range of use for the connected TETRA user.

    Product description

    MT680 Plus is the mobile radio for vehicles by Hytera for TETRA users of all sectors. High reliability, simple operation and durability distinguish the MT680 Plus. This TETRA mobile radio offers various operating modes, such as ETSI DMO Gateway and DMO Repeater mode, in order to tremendously increase the range of use for the connected TETRA user.



    TETRA-Fahrzeugfunkgerät MT680 Plus

    Versatile operating modes

    In addition to direct mode (DMO) and trunked radio mode (TMO) the MT680 Plus supports operation as ETSI DMO gateway and as ETSI type 1A-DMO repeater. If the MT680 Plus is operated in this new operating mode, the range of application of connected TETRA users increases tremendously.

    Excellent audio quality

    The MT680 Plus contains an audio chip with optimized noise suppression. Users who need clear radio communication in noisy environments profit from optimized audio quality and the related enhanced comprehensibility.

    Robust, durable constructions and easy handling

    The robust design of the MT680 Plus is crowned by a large TFT LCD display with 260,000 colors that allows trouble-free access to all of the information even with bright sunlight.
    The user-friendly user interface, entry via keypad and an efficient 4-Watt speaker ensure an excellent operation and handling and a high quality of communication. Furthermore, you can customize the menu structure on the user interface to suit your specific needs and in this way reduce it to the functions that are essential for you.

    Extreme quality and flexible installation

    Thanks to its high flexibility MT680 Plus can be practically installed everywhere. You can install the operating head separately where the control elements are easily accessible. The operating head is dust-proof and water-proof according to IP67 and is extremely efficient even in critical situations.

    Versatile services and functions

    MT680 Plus supports voice and data services of the TETRA standard. Thanks to the integrated GPS function a precise positioning is possibly any time. The optional encryption and the recording function offer additional important advantages.

    Immediate and direct communication

    Thanks to the high 10-W-transmitting power you can reach your team colleagues even over large distances. The MT680 Plus offers fast access to the TETRA mobile radio network and the roaming services. Moreover, the device is compatible with the base stations and other terminals of different manufacturers.


    • Operating modes

      • Trunked radio mode (TMO): Communication via the TETRA radio network (semi-duplex and duplex mode)
      • Direct mode (DMO): Direct communication between the devices without using the radio network (semi-duplex)
      • Operation as ETSI DMO gateway
      • Operation as ETSI type 1a DMO repeater

    • Functions of the user interface

      • 16 programmable keys for direct access to the individual functions
      • User profiles*
      • Multi-function group selector switch and volume control
      • 4-ways navigation key
      • Call protocol: missed/answered calls, dialed numbers
      • Flexible dialing (e.g. direct dialing, redialing, dialing lists etc.)
      • External handheld microphone (standard) or table microphone (optional)
      • Adjustable display brightness & screensaver
      • Many international languages are already available, installation of several optional languages on radio
      • Positioning according to ETSI LIP or NMEA protocol
        • Completely integrated GPS/GLONASS/Beidou receiver
        • Display of direction and position of the other call parties
        • Transmission of position information (TMO) during the emergency call
        • Speed alarm
      • PEI interface (AT commands)
      • Clock synchronization via GPS/SAT, radio network or local time
      • Automatic cell re-selection without call interruption (handover)
      • Programming several selectable network identifications (TMO, DMO)
      • Programming several selectable PSTN/PABX gateways
      • Customizable alarm tones
      • Radio User Assignment (RUA)
      • Ignition recognition
      • Over The Air Interface (OTAP)

    • Security functions for the user

      • Emergency call button
      • Call barring
      • Configuration protection / configuration password
      • Programmable key lock (individual keys can be excluded from the lock)
      • Lone worker function
      • TX Inhibit (TXI)

    • Security services

      • Authentication (by system and mutual)
      • Air interface encryption (TEA1, TEA2*, TEA3, TEA4)
      • End-to-end encryption (E2EE) by software (AES128 / AES256), by SIM card, encryption of voice and SDS
      • Access control with PIN /PUK code
      • TETRA security class 1, 2, 3: non-encrypted, static encryption (SCK), dynamic encryption (CCK/DCK)
      • Static encryption in the DMO mode (SCK)
      • Key distribution via air interface (OTAR)
      • Attachment/deactivation via air interface (Enable/Disable)
      • Ambiance listening

    • Voice services (calls in the telephone network (PSTN / PABX) (TMO))

      • PSTN / PABX individual call, full-duplex
      • PSTN / PABX individual call, half-duplex
      • DTMF
      • Calling Line Identification Presentation (CLIP)

    • Voice services (emergency call)

      • Emergency call to selected or pre-defined group
      • Emergency call as individual call
      • Emergency call as call to a telephone network (PSTN/PABX)
      • Emergency call microphone & cyclic change of permission to talk during the emergency call
      • Silent alarm (TMO)

    • Voice services (individual call)

      • Individual call, half-duplex
      • Individual call, duplex (TMO)
      • Individual call with defined priority (also pre-emptive priority)
      • Calling Line Identification Presentation (CLIP)

    • Voice services (group call)

      • Group call with defined priority (incl. pre-emptive priority)
      • Dynamic Group Number Assignment (DGNA)
      • Broadcast call (group, TMO) - talking party indication (TPI)
      • Late Entry
      • Open group call
      • Group scan with priorities

    • Data /message services

      • Short data service (SDS) – types 1, 2, 3, 4 and TL
      • Multiple SDS: Long SDS and Flash SDS
      • Status message/text message
      • SDS and status messages via DMO gateway
      • Transmission and reception of messages during a call
      • Notification of new messages during a call
      • Packet Data service (packet data, single-slot, multi-slot)
      • Circuit mode data
      • Java™ platform MIDP 2.0, WAP

    Technical data

    General data

    Dimensions (L x W x H, with front plate)

    70 × 184 × 201 mm

    weight (with front panel)

    1.9 kg

    Operating voltage

    10.8 - 15.6 V (standard 13.2 V)

    Call group number (TMO)


    Call group number (DMO)


    Phone book

    1000 entries

    Group lists – TMO (use for scanning, scan lists)

    200 (200 groups per list)

    Group lists – DMO

    50 (200 groups per list)

    Number of short messages (SDS) (input, output, drafts)

    400 / 50 / 50

    Number of status messages
    LCD display

    320 x 240 pixels, 260,000 colors, 2.8 inches

    Audio power output

    4 W (internal), 10 W (external, optional)

    Programmable keys

    Environmental conditions

    Operating temperature range

    -25 °C to +65 °C

    Storage temperature range

    -40 °C to +85 °C

    Relative humidity

    ETS 300 019 (95 %)

    Protection against dust and moisture

    IP54 (radio unit); IP67 (control module)
    IEC60529 or GB-4208-93

    Shock and vibration resistance

    MIL-STD-810 F/G

    Radio characteristics

    Frequency ranges

    380 – 430 MHz
    350 – 400 MHz*
    410 – 470 MHz*
    806 - 870 MHz*

    Channel spacing

    25 kHz

    Transmitting power

    maximally 10 W (settable)

    Receiver class

    ETSI EN 392-2/396 class A

    Static receiver sensitivity

    -112 dBm (standard -116 dBm)

    Dynamic receiver sensitivity

    -103 dBm (standard -105 dBm)


    GPS antenna

    External antenna


    ≤ -154 dBm

    Features marked with * are available in future versions of the product.

    All technical data were tested according to the respective standards. Due to continuing development, technical changes are reserved.

    Scope of delivery

    • TETRA mobile radio MT680 Plus with control head (IP54)
    • Handheld microphone
    • Handheld microphone holder and screws
    • Power cord
    • Blade-type fuse
    • Mounting bracket
    • Manual

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