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Does each firefighter use a different ultrasonic frequency?

April 26, 2017different firefighter Frequency ultrasonic

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Does each firefighter use a different ultrasonic frequency?

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No. All firefighter Beacons operate at the same ultrasonic frequency. Only a Firefighter Beacon in alarm mode will be actively transmitting an ultrasonic homing signal. This is what allows all Trackers to be Mutual Aid compatible with other fire departments.