Recommended AT&T USB modem for Surf SOHO?

I had a “Momentum Connect 4G” usb stick which worked well but died a while back. I replaced it with an “Elevate 4G” usb hotspot, but it doesn’t seem to reconnect properly unless the Surf SOHO is rebooted. (So just dragging it back to active leaves it only periodically connected and mostly no internet.)

Is there a reliable choice here for a USB modem? I don’t want a WIFI connection so it needs to support USB wired connection.