Laptop with cellular connectivity a concern?

with enterprise style laptops like thinkpads, sim trays are very common, it doesn’t mean the laptop has an actual cellular modem the modem is usually an m.2 card module that slots into the wwan slot, which you could remove if it was present, but often isn’t optioned in rootsudo: > it usually is combined with the Wi-Fi card combined wifi+modem cards are extremely rare in laptops, with the exception being some arm laptops in which case it is likely not removable at all due to being part of the SoC