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Oyster thieves arrested thanks to GPS antitheft tracker

This past March, triggering a sealed IP68-N105 tracer on an oyster farm in Portugal led to the arrest of individuals by the Police.
At night, the GPS tracker hidden in a bag oyster (which was in standby mode for several months at the seabed) warned SMS park owner an unusual move, which immediately alerted the police, with GPS live tracking.

Herewith the newspaper articles on the Internet:

GPS tracker oysters antivol huitres