Lenovo’s ThinkPad X12 ... SIM slot on the side of the tablet pops out with a standard SIM tool. Lenovo also splurged for a backplate for the SIM caddy, lessening the chance that your SIM card ...

The Lenovo ThinkPad X12 Detachable (Gen 2 ... a 3.5mm audio jack, and a Nano SIM slot (only useable if you configure your device with cellular antennas). There's also a Kensington Nano lock ...