Anyone find a good alternative to the 1500?

Official Hardware MKR Family MKR NB 1500
5

Screen Shot 2021-10-04 at 12.48.12 PM
Screen Shot 2021-10-04 at 12.48.12 PM1510×1116 197 KB

I have tried several times to send the file but getting this error.. any idea? I am using 'cool term' .. since I am on a mac.
@Dozie