Can anybody recommend a #FreeBSD-compatible USB 4/5G modem? I’m looking for a low power / low data rate thing as an emergency out-of-band backdoor into a remote system that I won’t have easy physical access to.
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@dch there is a recently unveiled LTE mini router by @mikrotik that may just do the thing and the price point doesn’t break a bank either. https://mikrotik.com/product/knot_embedded_lte4
@dch My way is to carry an USB cable and connect laptop to mobile network via my #SailfishOS phone, where the USB connection is turned to tethering interface. FreeBSD ue that handles this saved me many times.
@dch *not* an iPhone in USB tethering because it does not work at all as it not "standard" Ethernet-over-USB… 
@cynicalsecurity also I think something in the 50€ price range is more likely
@dch as much as I hate saying so, the Huawei "USB stick" modems seem to be super-compatible with everything...
@cynicalsecurity have you got any experience with a specific model? Or is it likely that most of them will just work?
@dch the 4G LTE work fine, if you can still find them, the 5G I have no idea. Alternatively the older Netgear portable hotspots work fine in USB mode too.
@dch real PSTN copper pair modem or cellular?
Most 4G/LTE cellular USB devices present at USB Ethernet adaptors (using ECM profile) these days and provide a RFC 1918 IP address via DHCP
@dch Netgear Nighthawk with Ethernet
@dch I have no idea, @grahamperrin ?
In that case, I might use a serial modem (like US Robotics), with such interface it should work fine and rock solid !
@dch I've gone to using a 5G modem (4G are far lower cost). Interface is Ethernet. Depends on how much a SIM costs versus a phone line and specific usecase.