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Hytera RD625 - DMR repeater

Compact DMR repeater for wall mounting.

    Product description

    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.

     

     

    Hytera RD625 - DMR repeater Hytera RD625 - DMR repeater Hytera RD625 - DMR repeater Hytera RD625 - DMR repeater

    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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