4G/LTE modem stick replacement

Hi. I have a question again.
I need to get a 4g/lte modem with bridge mode for a router (which I don't have yet, but I want to know about the modem first). However they don't exactly seem like a great offer. Most of them is cat4 and I would like something better. So I researched this topic little more and learned about m2 wifi cards. So my question is.
Can the usb modem be replaced by these 2 things:

  1. https://aliexpress.com/item/4000804950212.html
  2. https://www.sierrawireless.com/products-and-solutions/embedded-solutions/products/em7455/

The first one is usb to m2 adapter with antennas. However I'm not sure what is their purpose since on the image they are described as 2.4G and 5G. I think it shouldn't work like that since that's for wi-fi access point not modem. But maybe they just signed them wrong.

The second one is em7455 4G/LTE card. It is cat6 so it is good enough. I don't know what else is needed here, but it seems like it would work since there is a europe version.

I can get 1st item for about 22$ and the 2nd for about 26$. So if it would work it would be pretty sweet and not costly. However I really don't know if it would work like I imagine it to.

Like, with USB modem you can just plug it in and it will work (or sometimes there was a need to have a software from ISP launched for it too work). Also you could plug it into the router (which will be the case I'd like to use) and then use the cable or wi-fi of your choice. Would it work like that with those 2 things? If not, what did I miss? Need to write some software that handles the connection? Or would it not have a bridge mode? (maybe I can live with that)

You are basically attaching a usb modem. With the correct kmods it should work fine.
Otherwise something semi-future proof like this is supported, see this commit. That is going to cost a bit more, ~$110.