SG-2100 and 4g/LTE

  • I purchased an SG-2100 for my home network (yes it's a bit overkill, but my Asus router's firewall VPN throughput is absymal making home working a but of a nightmare). One of the attractions was that it has a SIM card port. I run everything through an unlimited 4g connection (Hutchison 3G UK) and thought I could dispense with the USB dongle.

    I was a bit trigger happy and purchased a Huawei ME909s-120 mini-PCIe LTE card as it was on pfSense's supported hardware list, but it isn't even detected under using pciconf -lv. Looking at the listing I've realised that it specifically says:
    1x M.2 'B' key sockets (SSD, LTE)
    1x miniPCIe (WiFi)

    Caveat emptor!

    This suggests that LTE is only supported through the M.2 slot, also backed up by a post by @stephenw10 on the forums - Does someone have Netgate SG-2100 internal slot?
    It has an m.2 slot wired for SATA or USB2 with the SIM card slot connected to it.

    I'm struggling to find an M.2 LTE card, so before I blow even more money can anyone tell me if what I'm trying to do is possible and if so point me towards a solution.

    Many thanks,

  • Netgate Administrator

    I have tested with Sierra devices in that and the SG-3100. em7305 and em7455 work if you get the vanilla model. If it's a branded device from some laptop you might have to play around to change the usb composition. That is a Linux or Windows only job in some cases. Once it's changed you swap it back in and you're good.

    The speeds you will see through it are not that exciting though dues to FreeBSDs current lack of support for MBIM or QMI. I have seen ~42Mbps but usually get something closer to 20Mbps in the SG-3100.

    And, yes, the SIM slot is wired to the m.2 card slot only. The mPCIe slot is not wired for USB so cannot be used for this.


  • @stephenw10, thanks for that. I've found what is purported to be a vanilla EM7305 on ebay so I'll give that a go and hopefully what applies to the SG-3100 applies to the SG-2100 too.

    I can deal with ~20Mps and it'll be interesting to compare it to the speeds when using a Huawei E3372h-153 in HILINK mode (I've got 36Mb/s before). Anything beats the 8Mbps I was getting over the copper pair into my flat!

    On a side note, if anyone would like a Huawei ME909s-120 donated to them (preferebly for OSS work, but I'm not picky) in the EU, send me a PM.

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