Check this thread and the link to the video: New Post: Librem 5 File Transfer
And this: Librem 5 USB Mount to Linux - #10 by dos
Yes. This is more like connecting two laptops with a USB cable.
Here are some tutorials for easy file transfer options over your wireless network (I recommend sftp as a super-convenient method): Tips & Tricks · Wiki · Librem5 / Librem 5 Community Wiki · GitLab