Currently the WiFi protocol is vulnerable within a millisecond, and a completely new non-defective-by-design WiFi protocol would have to be created. Also, you'

Currently the WiFi protocol is vulnerable within a millisecond, and a completely new non-defective-by-design WiFi protocol would have to be created. Also, you'd have to make sure that the device(s) could not have a vulnerability to remote code execution of any kind, or the device may be capable of being remotely turned into a directed energy weapon, which could lead to serious security concerns.