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Hytera RD625 - DMR repeater

Compact DMR repeater for wall mounting.

    Product description

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      The RD625 is a digital repeater designed specifically to provide reliable radio coverage in buildings and tunnels. The RD625 has been developed in accordance with the Digital Mobile Radio (DMR) open ETSI standard and can be operated with either digital or analog signals.

       

      DMR-Repeater RD625 - Produktfoto DMR-Repeater RD625 - Produktfoto DMR-Repeater RD625 - Produktfoto DMR-Repeater RD625 - Produktfoto

      Highlights – Flexible IP networking

      Hytera's DMR repeater can be connected to an IP-based communication network with multiple sites. The roaming function is used to provide radios in this radio network with voice and data services across cells.

      Connecting VoIP private automatic branch exchanges

      The RD625 repeater provides a connection to existing VoIP telephone systems on the DMR radio network as SIP subscriber. This allows DMR radio subscribers to hold half-duplex conversations with participants from the telephone network. Telephone subscribers have the option of making either individual or group calls in the radio network.

      Analog and digital operation with the ability to switch automatically

      The RD625 repeater can be operated both in analog and in digital mode and is completely compatible with analog systems currently in use. The device can automatically change between digital and analog mode depending on the type of receiver signal, saving both time and money by eliminating the need to configure frequencies and channels manually.

      Automatic AC/DC switchover

      The integrated power supply of the RD625 automatically chooses between alternating current and direct current. This makes it possible to provide a fail-safe radio signal by connecting the repeater to an independent source of direct current (UPS) in addition to the normal supply of power. If the AC supply fails, the RD625 switches to the second power supply automatically. 

      Encryption of the Air Interface

      With air interface encryption signaling and communications data between radios and repeaters are transmitted with reliable protection.

      Easy installation


      The RD625's well-engineered design makes wall mounting easy using the optionally available wall bracket. This makes it possible to install the repeater flexibly and conveniently in buildings.

      Compact all-in-one design

      The RD625 combines transmitter and receiver components, the power supply and the duplexer (optional) in its compact chassis.

      Repeater diagnostics and control system (RDAC)

      The RD625 can be monitored, checked and controlled using a PC-based application. The software supports network access from multiple points and allows administrators to monitor the DMR radio network.

      Repeater access management

      To ensure a high level of security, the RD625 features a repeater access monitor that protect the radio network from unauthorized access attempts.

      Features

      Technical data

      General data

      Frequency range

      VHF: 136 – 174 MHz
      UHF: 400 – 470 MHz / 450 – 527 MHz

      Supported operating modes
      • DMR Tier II 
      • Analog

      DMR Tier II in accordance with ETSI TS 102 361-1/2/3

      Number of channels

      1024

      Number of zones

      1

      Channel spacing

      12.5 / 20 / 25 kHz

      Operating voltage

      13.6 ± 15% VDC
      90 V - 264 VAC

      Max. power consumption (in stand by)

      ≤ 0.5 A at 13.6 V DC

      Max. power consumption (during transmission)

      ≤ 5.5 A at 13.6 V DC

      Frequency stability

      ±0.5 ppm

      Antenna impedance

      50 Ω

      Dimensions (H × B × T)

      210 x 348 x 108 mm

      Weight

      2870 g

      Transmitter

      Transmitting power

      1 – 25 W (continuous)

      Modulation

      11K0F3E at 12.5 kHz
      14K0F3E at 20 kHz
      16K0F3E 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 dB to -3 dB

      Audio distortion

      ≤ 3 %

      Digital vocoder type

      AMBE++

      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 / 75 dB at 20 and 25 kHz
      ETSI: 60 dB at 12.5 kHz / 70 dB at 20 and 25 kHz

      Intermodulation

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

      Spurious response rejection

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

      Signal-noise ratio (S/N)

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

      Audio distortion

      ≤ 3 %

      Audio sensitivity

      +1 dB 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

      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

      • Repeater RD625
      • VAC Power supply cable
      • Manual
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