Well, no experience with wireless for newer ME versions, but I don’t see anything that’s missing? Did you check the wireless firmware entry in FIT when decomposing? (Wireless compatibility depends on existing firmware in ME for corresponding wireless generation)
I’d just buy one module and try, they aren’t too expensive?
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With installed WLAN card and firmware mismatch this was mentioned in MEInfo 14 at least:
(Why is one machine just ISM?)