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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

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      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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