what i meant is 5g cellular modules like quectel 5g models ,,RBM11G supports mini-PCIe card. In theory a R11e-5HacD a/n/ac wireless card should be just fine. There are other variants (single chain a/n, dual chain a/n variant, 2.4/5 a/b/g/n dual band, ...), just look at list of interface devices (page lists also SFP modules, don't get distracted by those, scroll down and you'll find some wireless cards).
what i meant is 5g cellular modules like quectel 5g models ,,