NR5103 external antenna ports

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Markc83
Markc83 Posts: 1
edited January 4 in Mobile Broadband
Would you be able to tell me the configuration of the 4 external antenna ports on this router.

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  • chichin79
    chichin79 Posts: 5
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    Would also like to know about this!
  • tonygibbs16
    tonygibbs16 Posts: 841  Guru Member
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    Hello,

    The NR5103 datasheet at https://spdl.zyxel.com/NR5103/datasheet/NR5103_2.pdf has some details about the external and internal antennas.

    Read the ** note about the frequency band support of the external antenna connectors. It says the external antenna connectors support 698 to 4200 MHz frequency.

    Kind regards,
        Tony
  • lucapagliuca
    lucapagliuca Posts: 13
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    up!

  • mika_kapu
    mika_kapu Posts: 1
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    The given link does not work. There is no source to find detailed manual for this NR5103 product!

  • tonygibbs16
    tonygibbs16 Posts: 841  Guru Member
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    Hello @mika_kapu

    Welcome to the forum.

    There is information about the NR5103 at https://service-provider.zyxel.com/emea/en/products/5g-nr4g-lte-cpe/5g-nr-cpe/idus/nr5103

    If you click on Downloads & resources about half way down the page, then it will take you to an area where there is a user guide dated May 2023.

    Kind regards,

    Tony

  • lucapagliuca
    lucapagliuca Posts: 13
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    just to inform you that based on some tests done with my existing antenna (2×2 MIMO 700-3800 mhz with 2 plugs) where I tried all the possible combinations: only connecting ports 1 and 3 results in good LTE+NR throughput (1 being the top connector). The modem shows that UL and DL CA are working. All other combinations end up in very bad results... I definitely need an explanation on the reasons behind this weird behavior.

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