GPS jammers used to hijack trucks and jam drones

Cargo-looting criminals are using GPS jammers to interfere with the GPS positioning and navigation used by cargo trucks and ships. The satellite signal used by GPS navigation is very weak, and the jammer is based on this principle to send a signal with the same frequency but stronger to suppress the GPS signal. A typical GPS jammer can jam the signal up to five kilometers away, rendering the GPS unit completely useless. In Mexico, jammers are used in about 85 percent of cargo truck thefts. Russia is currently using jammers to disrupt commercial aircraft over Ukraine. Commercial drones are also increasingly being targeted by GPS jammers, with 46 drones falling from the sky due to jammers during a drone light show in Hong Kong in 2018. Businesses are also increasingly hardening their equipment against disruption.

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