Chateau LTE18 ax is the modem an m.2 socket?

Hardware MikroTik hardware general
1

https://mikrotik.com/product/chateaulte18_ax

Could someone confirm if the Chateau LTE18 ax has an m.2 slot or is the modem soldered to the circuit board?

2

seems to be a usb device
https://i.mt.lv/cdn/product_files/S53UG5HaxD2HaxD-TC_220803.png

seems to be completely redesigned, if you want a definitive answer, open a support case.
https://confusedbird.com/thread-119-post-1151.html