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Specialize in Signal Repeater & Jammer R&D and manufacturing since 2006

AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 1
AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 2
AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 3
AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 4
AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 5
AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 1
AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 2
AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 3
AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 4
AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 5

AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System

* Maximum support connecting 4 ways of 2G 3G 4G or 5G signal.

* Support 4G or 5G 2*2 MIMO.

* MGC and ALC functions.

* Digital filtering technology.

* MU supports 4 sets of EU connecting in a parallel.

* EU supports 8 sets of RU  in parallel or cascading EU.

* Support 2KM optical fiber transmission distance.

* Support LAN connection to local OMT monitoring software.

* Support 4G modem remote connection to network management platform.

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           The Muti-service Digital Distributed Access System digitizes the Feed-in 2G, 3G, 4G, 5G RF signals and converts them into optical signals, and transmits and distributes them through optical fibers 

    for indoor and outdoor coverage. The system consists of Main Unit (MU), Extended Unit (EU), and Remote Unit (RU), which are used for deep coverage of 2G, 3G, 4G, and 5G wireless communication signals.

            The networking structure of the Muti-service Digital Distributed Access System is shown in the following figure:

    AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 6

    * Fiber distribution, reducing the RF coaxial cable loss and reduce the difficulty of construction project
    * Fiber Optic Cable feeding, and solve concentrated supply problems of active equipment
    * Remote Unit (RU) with a small size, light weight which is easy to beautify and reduce user conflict

    The MU unit couples the 2G\3G\4G MIMO downlink radio frequency signal provided by the RRU into the optical fiber distribution system, converts it into a digital signal, and then performs framing. After photoelectric conversion into an optical signal, it is transmitted to the extended unit through optical fiber. At the same time, the optical signal uploaded by the extended unit is converted into a digital signal, then deframed, and then converted into an uplink radio frequency signal and transmitted to the signal source. The MU unit supports the remote monitoring and management function of the EU and RU units that it belongs.

            The EU unit forwards the digital signals sent by the MU unit to multiple remote units; at the same time, the signals uploaded by the multiple remote units are combined and then transmitted to the MU unit. The EU unit supports chain cascading networking, and also supports remote power supply to the RU unit. The extended unit supports the remote monitoring and management function of the remote unit to which it belongs.           

    Model

    M27T-BxBx-MU/EU/RU

    M27T-BxBxBx-MU/EU/RU

    Frequency Bands

    Any two band in“x”

    Any three band in“x”

    Bandwidth

    Can be customized

    Gain

    UL 40dB, DL 40dB

    Output Power

    UL -20dBm, DL  27dBm

    Gain Attenuate

    1~31dB, Step of 1dB

    ALC Control Range

    ≥ 30dB

    VSWR

    ≤ 2.0

    Spurious Emission

    ≤-36 dBm @ 9KHz~1GHz, ≤-30 dBm @ 1GHz~12.75GHz

    ACRR

    Fully comply with 3GPP

    EVM

    Fully comply with 3GPP

    PCDE

    Fully comply with 3GPP

    Noise Figure

    ≤ 6 dB

    Group Delay

    ≤13 μs

    Optical Interface

    LC/LC

    Dimension

    440*330*47mm @ MU

    440*330*70mm @ EU

    350*195*120mm @ RU

    Weight

    <5kg @ MU

    <6.5kg @ EU

    <8.2kg @ RU

    Supply

    AC 100~264V/50Hz @MU & EU

    AC 100~264V/50Hz or DC 48V by EU @RU

     

    NoteThe letter "x" means the 3gpp band number: 1, 2, 3, 4, 5, 7, 8, 20, 25, 28, 66

    AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 7

    AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 8

     

    * Maximum support connecting 4 ways of 2G 3G 4G or 5G signal.

     

    * Support 4G or 5G 2*2 MIMO.

    * MGC and ALC functions.

    * Digital filtering technology.

    * MU supports 4 sets of EU connecting in a parallel.

    * EU supports 8 sets of RU  in parallel or cascading EU.

    * Support 2KM optical fiber transmission distance.

    * Support LAN connection to local OMT monitoring software.

    * Support 4G modem remote connection to network management platform.

    AMPLITEC MDAS M27T Series Muti-service Digital Distributed Access System 9

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