Have you not been reading? Srs. That's twice now. 4g/ rebranded lte, same manufacturing housing for different models. Also take a while for them to install a network before your get sold your 'brand new never before seen tech' in your consumer hands. But all jokes aside these Are anti-emp shields, protecting our grid from nuclear threat. That's why we don't make transformers anymore for our vast electrical grid, we don't need them