yh
Hi @Ken-the-pos-guy, thanks for your post and welcome to the Seller Community.
We have three brands of scanners that are compatible with Square hardware:
Zebra
Honeywell
Socket Mobile
Tera is not tested or listed as compatible on our compatibility page. If you are planning to get a scanner, please check the models listed on the page attached to ensure they will compatible.
The scanner would also need to be connected to the Point of Sale app rather than your desktop.
You can see the full list of possible connections here.
I hope this helps.
Square Community
Square Products