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Hytera MD785/MD785G

The mobile radios MD785 and MD785G (variant with GPS) come with versatile functions and increase work efficiency.

    Product description

    The MD785 and MD785G DMR mobile radios offer versatile digital functions that allow you to exchange information in all types of situations. With their ergonomic design easy-to-operate user interface and remarkable quality, they are the ideal solution for your communication requirements; regardless of whether you are aiming to optimize the efficiency of your company or be able to respond to emergency situations at all times.

     

    Excellent voice transmission

    Thanks to the simultaneous application of narrow band codecs and digital error correction, the MD785/MD785G offers you outstanding audio quality in loud environments and in boundary regions of the radio coverage.

    Dual mode

    The MD785/MD785G features an analog as well as a digital mode and is compatible with the currently used analog systems, thereby simplifying your transition into the digital age.

    Improved utilization of the frequency spectrum

    Thanks to the TDMA process, the MD785/MD785G enables you to assign the available bandwidth with double number of channels. This has a clear mitigating effect on increasing spectrum scarcity.

    Digital encryption

    Encryption using encryption algorithm ARC4 (40 bit) in accordance with DMRA or optional algorithms AES128 and AES256 (128 and 256 bit) ensures secure communication.

    Reliability and quality

    The MD785/MD785G complies with the standards MIL-STD-810 C/D/E/F/G and meets the IP54 degree of protection. A high degree of reliability is assured even in harsh environments.

    Versatile functionality

    Besides the traditional communication functions, the MD785/MD785G features numerous digital and optional functions, including text messages, GPS location determination and a lone worker function.

    Expansion interface

    Thanks to the expansion interface, the range of functions offered by the MD785/MD785G can be expanded by significant key functions. Accessories and applications developed by partners can be connected to this interface.

    Intuitive interface and key guidance

    The high-resolution LCD screen offers a clear display, even under difficult light conditions. The large keyboard and ergonomic programmable keys allow an efficient and productive communication.

    Upgradeable software

    Upgradeable software enables the possibility of new features. By altering the firmware-software, other digital and analog operating modes can be enabled, without the need for purchasing a new radio device.

    Versatile voice communication

    Thanks to digital signal transmission, the MD785/MD785G allows you to carry out different types of voice communication, including individual calls, group calls and simultaneous communication with all subscribers.

    Data services

    The MD785/MD785G offers you data services, such as sending text and group messages.

    GPS (MD785G)

    The MD785G supports GPS location determination and allows GPS location data to be sent as a text message. In addition, the distance and position of other GPS-enabled radios in the DMR radio system can be detected.

    Roaming

    The MD785/MD785G allows automatic cell re-selection (roaming) at all sites in multi-site systems.

    Supplementary services

    With the MD785/MD785G, you can utilize various services, such as radio check, remote monitor and call alert.

    Various analog signaling types

    Using the MD785 / MD785G you can use, for example, selective calls, 2-tone and 5-tone dialing, HDC1200 as well as CTCSS / CDCSS.

    Different menu languages

    e.g. German, English, French, Spanish, Polish, Italian, Russian, Turkish, simplified and traditional Chinese, Korean.

    Emergency call

    The MD785/MD785G offers you several emergency call options, such as the concealed emergency call.

    Powerful loudspeaker

    For a clear audio output, the MD785/MD785G features a powerful 5-watt loudspeaker.

    Features

    Technical data

    General data

    Frequency range

    VHF: 136 – 174 MHz
    UHF: 400 – 470 MHz

    Number of channels

    1024

    Number of zones

    64 (with max. 16 channels each)

    Channel spacing (analog)

    12.5 / 20 / 25 kHz

    Channel spacing (digital)

    12.5 kHz

    Operating voltage

    13.6 ± 15% VDC

    Max. power consumption (in stand by)

    ≤ 0.6 A

    Max. power consumption (during reception)

    ≤ 2.0 A

    Max. current consumption (during transmission)

    5 W: ≤ 5 A
    25 W: ≤ 8 A
    45 W / 50 W: ≤ 12 A

    Frequency stability

    ±1.5 ppm

    Antenna impedance

    50 Ω

    Dimensions (LxWxH)

    174 x 60 x 200 mm

    Weight

    1.7 kg

    LCD display

    220 x 176 pixels, 262,000 colours, 2.0 inches, 4 lines

    Transmitter

    Transmitting power (adjustable)

    VHF: 1 – 25 W / 5 – 25 W / 5 – 50 W
    UHF: 5 – 25 W / 5 – 45 W

    Modulation

    11 K0F3E at 12.5 kHz
    14 K0F3E at 20 kHz
    16 K0F3E at 25 kHz

    4FSK digital modulation

    12.5 kHz (data only): 7K60FXD
    12.5 kHz (data and voice): 7K60FXW

    Interfering signals and harmonics

    -36 dBm < 1 GHz
    -30 dBm > 1 GHz

    Modulation limiting

    ±2.5 kHz at 12.5 kHz
    ±4.0 kHz at 20 kHz
    ±5.0 kHz at 25 kHz

    Hum and noise

    40 dB at 12.5 kHz
    43 dB at 20 kHz
    45 dB at 25 kHz

    Adjacent channel selectivity

    60 dB at 12.5 kHz
    70 dB at 20/25 kHz

    Audio sensitivity

    +1 to -3 dB

    Audio distortion

    ≤ 3 %

    Digital vocoder type

    AMBE+2™

    Receiver

    Sensitivity (analog)

    0.3 μV (12 dB SINAD)
    0.22 μV (typical) (12 dB SINAD)
    0.4 μV (20 dB SINAD)

    Sensitivity (digital)

    0.3 μV / BER 5%

    Adjacent channel selectivity

    TIA-603: 65 dB at 12.5 kHz / 75dB at 20 and 25 kHz
    ETSI: 60 dB at 12.5 kHz / 70 dB at 20 and 25 kHz

    Spurious response rejection

    TIA-603: 75 dB at 12.5/20/25 kHz
    ETSI: 75 dB at 12.5/20/25 kHz

    Signal-to-noise ratio (S/N)

    40 dB at 12.5 kHz
    43 dB at 20 kHz
    45 dB at 25 kHz

    Nominal audio power output

    Internal 3 W at 20 Ω, external 7.5 W at 8 Ω

    Audio distortion

    ≤ 3 %

    Audio sensitivity

    +1 to -3 dB

    Conducted spurious emission

    -57 dBm

    Environmental conditions

    Operating temperature range

    -30 °C to +60 °C

    Storage temperature range

    -40 °C to +85 °C

    Protection against dust and moisture

    IP54

    Shock and vibration resistance

    MIL-STD-810 C/D/E/F/G

    Relative humidity

    MIL-STD-810 C/D/E/F/G

    GPS (only MD785G)

    Time to first fix (TTFF) cold start

    < 1 minute

    Time to first fix (TTFF) warm start

    < 10 seconds

    Horizontal accuracy

    < 10 m

    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

    • Mobile radio MD785 or MD785G 
    • Handheld microphone
    • Handheld-microphone holder
    • Mounting set
    • Vehicle battery connection cable
    • Fuse
    • GPS antenna (only MD785G)
    • Manual

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