NR7101, on ship, want to connect Omni-directional antenna

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benrofu
benrofu Posts: 4
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edited January 4 in Mobile Broadband
Hi
Can someone please share what connections inside nr7101 is for the lte antenna ? 
I want to connect external antenna that works in every direction. 

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  • tonygibbs16
    tonygibbs16 Posts: 842  Guru Member
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    Hello @benrofu

    The NR7101 has internal directional antennas:

    "

    Better Signal, Work Wonders

    Six 10 dBi long range directional antennas are built into the NR7101 to provide a focused networking coverage. Experience better, stronger signal strength and enhanced signal quality of 5G network for faster speed. Grab the NR7101, it’s efficient and can work wonders" 
    from https://www.zyxel.com/global/en/products/mobile-broadband/5g-nr-outdoor-router-nr7101
    Looking at the NR7101 user guide available at https://support.zyxel.eu/hc/en-us/articles/4403365084818-5G-Devices-Advanced-Downloads-Firmwares-and-other-resources- shows that there is not any external antenna connectors.
    So I think that you cannot do what you wish to do.
    Merry Christmas.
    Kind regards Tony 
  • SELBERG
    SELBERG Posts: 268  Master Member
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    edited December 2022
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    Check this! Seems hard to do something......
    https://openwrt.org/toh/zyxel/nr7101#photos

  • benrofu
    benrofu Posts: 4
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    Yes, but i suppose someone can tell me wich connector for use of external antenna. I know the black lowest is for gps, but not sure the other ones.
    I was planning to drill holes in cover and mount glands. 


  • tonygibbs16
    tonygibbs16 Posts: 842  Guru Member
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    edited December 2022
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    Hello @benrofu

    At your own risk, you could use this information:

    "Table 30: RM500Q-AE&RM502Q-AE Pin Definition of Antenna Interfaces

         Pin Name I/O Description Comment

     ANT0 AIO Antenna 0 interface: 5G NR: MHB_TRX & n41 TRX1 1) & n77/n78/n79_PRX MIMO; LTE: MHB_TRX & UHB_PRX MIMO 2) WCDMA: MHB_TRX 1400–5000 MHz

    ANT1 AIO Antenna 1 interface: 5G NR: LB_TRX & MHB_DRX MIMO & n41_DRX1 1)  & n77/n78/n79_DRx MIMO LTE: LB_TRX & MHB_DRX MIMO & UHB_DRX MIMO 2)  & LAA PRX WCDMA: LB_TRX  600–6000 MHz 

    ANT2 AIO Antenna 2 interface: 5G NR: LB_DRX & MHB_PRX MIMO & n41 TRX0 1)  & n77/n78/n79_TRX LTE: LB_DRX & MHB_PRX MIMO & UHB_TRX 2) WCDMA: LB_DRX 600–5000 MHz 

    ANT3_ GNSSL1 AI Antenna 3 interface: 5G NR: MHB_DRX MIMO & n41 DRX0 1) & n77/n78/n79_DRX LTE: MHB_DRX & UHB_DRX 2) & LAA DRX WCDMA: MHB_DRX GNSS: L1 1400–6000 MHz

    Notes

    1. 1) NR TRX1 = TX MIMO + PRX MIMO; NR DRX1 = DRX MIMO.  2. 2) UHB frequency range: 3400–3800 MHz

    And

    Table 31: RM500Q-AE & RM502Q-AE Antenna Mapping

    Antenna WCDMA LTE 5G NR LB  (MHz) MHB  (MHz) n77/n78 (MHz) n79 (MHz) Refarmed n41 n77/n78/ n79

    ANT0 MHB_TRX MHB_TRX, UHB_PRX 1) MIMO MHB_TRX, UHB_PRX 1) MIMO TRX1 2) PRX MIMO - 1452–2690 3300–4200 4400–5000

    ANT1 LB_TRX LB_TRX, MHB_DRX MIMO, UHB_PRX 1) MIMO,  LAA PRX LB_TRX, MHB_DRX MIMO, UHB_DRX 1) MIMO, DRX1 2) DRX MIMO 617–960 1452–2690 3300–4200 4400–6000

    ANT2 LB_DRX LB_DRX, MHB_PRX MIMO,  UHB_TRX 1) LB_DRX,  MHB_PRX MIMO, UHB_TRX 1) TRX0 2) TRX 617–960 1452–2690 3300–4200 4400–5000

    ANT3_ GNSSL1 MHB_DRX MHB_DRX, UHB_DRX 1), LAA_DRX MHB_DRX, UHB_DRX 1), DRX0 2) DRX - 1452–2690 3300–4200 4400–6000

    Notes
     1. 1) UHB frequency range: 3400–3800 MHz. 2. 2) NR TRX1 = TX MIMO + PRX MIMO; NR DRX1 = DRX MIMO. "

    from https://www.quectel.com/wp-content/uploads/2021/04/Quectel_RM500Q-AERM502Q-AE_Hardware_Design_V1.0.pdf

    The antenna numbering on the Zyxel board might not be the same.

    Again, use this information at your own risk.

    No guarantees from me as a user, and I don't work for Zyxel.

    Merry Christmas.

    Kind regards Tony 
  • benrofu
    benrofu Posts: 4
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    Thanks, i will check out!
  • tonygibbs16
    tonygibbs16 Posts: 842  Guru Member
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    edited December 2022
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    And maybe
    "Table 32: RM500Q-AE&RM502Q-AE Operating Frequencies"

    At your own risk.

    Merry Christmas.

    Kind regards Tony 

  • benrofu
    benrofu Posts: 4
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    Hmm.... Not sure if i got any wiser...
  • tonygibbs16
    tonygibbs16 Posts: 842  Guru Member
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    edited December 2022
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    Hello @benrofu

    The datasheet for the RG502QAEAA-M20-SGASA module says that it has 9 antenna connections.

    蜂窝天线: 6 + 2 (n79), GNSS: × 1

    Datasheet linked from https://www.mouser.co.uk/ProductDetail/Quectel/RM502QAEAA-M20-SGASA?qs=iLbezkQI%2Bsi9ukHixHgcsg==

    At your own risk.

    Merry Christmas.

    Kind regards Tony 

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