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    Kirisun TR850 DMR Repeater

    Kirisun TR850 DMR Repeater

    Professional 3U Design

    Professional 3U design leaves enough space for an added duplexer and is suitable for both desk-top, cabinet and rack installations.

    Outstanding Heat Dissipation

    The unique cooling design combines a built-in heat pipe and an intelligent control fan, ensuring very efficient heat dissipation preventing the repeater from over-heating in high output power mode.

    Smart Digital-Analog auto detection

    TR850 can be configured to analog, digital or mixed mode. When configured to mixed mode, the repeater can dynamically switch between analog and digital depending on the type of call it receives.

    Accessory Expansion

    TR850 supports third party development via a rear port of the repeater. This is achieved via the signal streaming and pin control through the repeater ports.

    IP Connecting

    IP connecting is a function, which enables repeaters in different areas to switch data, voice and packets over a TCP/IP based network.

    LED Indicator

    There are 9 LED indicators on the front of panel to enable you to identify the repeater status clearly.

    Software Upgradable to DMR Tier2 or Tier3

    The advanced features can be upgraded to your existing TR850 repeaters by software without purchasing a new one. By software upgrading, the repeater can be upgrade to used as DMR Tier2 repeater or DMR Tier3 transetransceiver.

    מפרט טכני


    Channel Capacity


    RF Output

    45W(VHF) / 40W(UHF)

    Transmitting Current Drain


    Frequency Range

    136-174MHz / 400-470MHz

    Channel Spacing

    12.5kHz / 20kHz / 25kHz





    Operating Temperature


    Operating Voltage

    DC13.8±20%   Option:AC 100—250V 50/60Hz

    Storage Temperature



    IEC 61000-4-2(level 4)

    Max Duty Cycle



    Frequency Stability

    ±0.5 ppm

    RF Output

    45W(VHF) / 40W(UHF)

    FM Hum and Noise

    -40dB@12.5kHz   -45dB@20kHz/25kHz

    Conducted/Radiated Emission

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

    Adjacent Channel Power

    -60dB@12.5kHz, -70dB@20kHz/25kHz

    FM Modulation Mode

    12.5KHz:11KΦF3E   25KHz:16KΦF3E

    Modulation Maximum Deviation

    2.5kHz@12.5kHz   , 4kHz@20kHz/5kHz@25kHz

    Audio Response


    Audio Distortion

     < 3%



    4FSK Digital Modulation

    12.5KHz(data only):7K60FXD, 12.5KHz(data+voice):7K60FXE


    Frequency Stability

    ±0.5 ppm

    Analog Sensitivity

    <0.30μV (12dB SINAD)

    Digital Sensitivity

    <0.30μV (5%BER)


    TIA603:75dB   ETSI:75dB

    Adjacent Channel Selectivity

    TIA603:70dB @ 12.5 kHz / 75dB @ 20/25 kHz

    ETSI: 70dB @ 12.5 kHz / 75dB @ 20/25 kHz

    Spurious Response Rejection

    TIA603:75dB   ETSI:70dB

    Conducted Spurious Emission

    -57dBm@ < 1GHz,-47dBm @> 1GHz

    Rated Audio Distortion

     < 3%

    Hum and Noise

    -40dB@12.5kHz,   -45dB@20kHz/25kHz

    Audio Response


    Manufacturer name Kirisun

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