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    • HOME > PRODUCTS >VHF/UHF Repeater

    VHF uhf walkie talkie repeater Amplifier

    Stadium /Office /Highway/ Railway /Scenic/ Pier /Island/ Offshore / Urban/ road /Supermarket /Metro/ Rural /Suburban/ Hospital/ Campus /Mine /Oilfield /Tunnel
    • mode:KT-VHF UHF
    • Product Category:VHF/UHF Repeater
    • Power supply:AC 110VAC 220VDC -48V
    • Frequency:VHF 136-174mhz
    • Products Details
    • Company Profile
    • Introduction
    • Mainfeature
    • Application&scenarios
    • Specification
    • Parts/Warranty

    Product Description

    TETRA cable-access MDAS Fiber Optic Repeater is used to enlarge the signal of TETRA equipment. The Master Optical Unit System captures the BTS signal of TETRA and converts it into optic signal and transmits the amplified signal to the Remote Optical Unit via fiber optic cables. The Remote Optical Unit will reconvert the optic signal into TETRA signal and then converse Downlink Amplifier and provide the signal to the areas where net work coverage is inadequate.

    And the mobile signal is also amplified and retransmitted to the BTS via the opposite direction. The distribution system by our company independent research and development is composed by Master Optical Unit and Remote Optical Unit. The internal module is integrated, the highly integrated technology is improve the stability of the equipment.

     

     

    Product Features

    High level, high availability, convenient for maintain;

    Internal adopt intelligent monitoring, is convenient to locate the faults for maintain;

    Low power consumption, excellent heat dissipation;

    High linearity PA, high system gain;

    Local and remote monitoring;

    Compact size, flexible for installation and relocation;

     ETSI compatible

     

    Mainfeature

    400 uhf mobile signal link repeater Features:

    1.Monitoring software can be upgraded locally or remotely.

    2.Wide dynamic range, low power consumption and noise figure. Protection from over voltage, over current and over temperature

    3.High isolation from uplink to downlink to improve high stability.

    4.High reliability and MTBF≥100,000 hours

    5.Perfect remote and local network monitoring function.

    6.Avoid interference from co-frequency

    7.Enlarge the coverage area with omni directional antenna

    8Extend the signal distance of base station

    9.Backup batteries

    10.Main module self-test and auto alarm.

    11.Door open alarm

    12ALC(auto level control) ,etc.

    Application&scenarios

    TETRA 400 REPEATER Applications
        To expand signal coverage of fill signal blind area where signal is weak  
    or unavailable.
       Outdoor: Airports, Tourism Regions, Golf Courses, Tunnels, Factories, Mining Districts, Villages etc.
       Indoor: Hotels, Exhibition Centers, Basements, Shopping
    Malls, Offices, Packing Lots etc.
    It is mainly applicable to such case:
        The repeater can find an installation place which can receive pure BTS signal at strong enough level as the Rx Level in repeater site should be more than ‐70dBm;

        And can meet the requirement of antenna isolation to avoid self‐oscillation.
     
     

    Specification

    MOU RF Specification


    Items

    Downlink

    Uplink

    Memo

    Working Frequency

    350MHz Band

    350-357MHz

    360-367MHz

    Need to specify the band when place order

    420MHz Band

    410-417MHz

    420-427MHz

    500MHz Band

    500-507MHz

    510-517MHz

    RF Input level range for each RF input port

    -5dBm~0dBm

    /

    Recommended input level: 0dBm

    Max RF input without damage

    10dBm

    /

    Caution: over input power may cause permanently damage

    RF Output Level

    /

    -5±2dBm

     

    Spurious emissions and Wideband noise

    Discrete spurious:

    9kHz-1GHz /BW:30KHz

    ≤-36dBm

    ≤-36dBm

     

    1GHz-4GHz /BW:1MHz

    ≤-30dBm

    ≤-30dBm

     

    Wideband noise

    100 kHz – 250 kHz

    -75dBc

    -78dBc

    NOTE: frb denotes the frequency offset corresponding to the near edge of the receive band or 5 MHz whichever is greater.

    250 kHz – 500 kHz

    -80dBc

    -83dBc

    500 kHz – frb

    -80dBc

    -85dBc

    >frb

    -100dBc

    -100dBc

    Radiated emissions

    30 MHz to 1 GHz

    ≤-36dBm

     

    1 GHz to 4 GHz

    ≤-30dBm

     

    Intermodulation

    attenuation (dBc)

    RBW30 kHz

    ≤-36dBm

    The interfering signal shall be

    unmodulated and have a frequency offset of at least 500 kHz from the carrier frequency. The power level of the

    interfering signal shall be 50 dB below the power level of the modulated output signal from the transmitter under test

    Out of band gain

    50 kHz Frequency offset from the - 6 dB point

    75 dB

     

    75 kHz requency offset from the - 6 dB point

    70 dB

     

    125 kHz requency offset from the - 6 dB point

    65 dB

     

    250 kHz requency offset from the - 6 dB point

    32 dB

     

     

    Parts/Warranty
    1 year warranty for repeater ,6month for accessories
    ■ Contact Us
    E-mail:
    Products: UHF Tetra 400MHz Repeater Fiber Optic Signal Amplifier
    BDA widely used in trunking communication systems
    Subject:
    Message:
    Quantity needed:
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    Kingtone was established in 2006, located in Microwave Communication Base of the National Torch Plan in Quanzhou, China. It is a leading manufactor specializing in microwave communication equipment field and dedicated to R&D,manufacture,salses and services of microwave passive and active components, softwares of radio stations, communication monitoring and internetwork products.

    Kingtone heavy invest to R&D, innovation, quality control system to win good products and good brand reputation. We have achieved seven software copyright certificates registered by the State Copyright Bureau and passed the ISO9001:2008 quality management system. Four Brands have been registered by the State Trademark Bureau and we have been recognized as "innovative and high technology enterprises " by Fujian Science and Technology Department in 2010. Our products are widely used in mobile communication, radio and television, public security, fire control, railways, electric power, mining and other fields; the main products are GSM repeater, CDMA repeater, CDMA450 repeater, IDEN repeater, TETRA repeater ,DCS repeater, PCS repeater, PHS repeater, TD-SCDMA repeater, WCDMA repeater, FDD-LTE repeater,TDD-LTE repeater,WiMAX repeater, MMDS repeater,MUDS repeater, digital TV repeater, VHF/UHF repeater for DMR/dPMR/TETRA/PDT system.

    Kingtone insists on the spirit of “people-oriented, technology first, unity and strive, innovation and dedication” and the quality concept of “golden quality win the world” to continuously provide superior quality products and services to our customers.

    We are sincerely willing to cooperate with you. let’s win the future together!

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