Most phone cases focus on giving users more battery life or wireless charging but the SWORD smartphone case acts as a detector of sorts to identify someone carrying a knife, gun or explosive. Created by Royal Holdings, an LA-based start-up focused on threat detection and time intelligence, this unique smartphone case uses a phone's audio sound waves as a sonar device to tell if someone is holding or carrying a weapon.
The detection capabilities of the SWORD smartphone case come from its array of "18 antennas that can create an image profile based on the radio frequency waves." These sensors then pair with the SWORD app, which uses an AI and machine-learning database of weapons and explosives to determine who is carrying a weapon.
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