Swissphone Trio

The TRIO lone worker alerting device automatically or manually sends an emergency call together with the position data if a person working alone.

If a person working alone has an accident, the TRIO lone worker alerting device automatically or manually sends an emergency call with the position data. An acoustic alarm makes it easier to find the injured person in the accident area.


The pager for lone workers

The TRIO lone worker alarm system terminal is able to detect emergency situations and independently submits an emergency call that includes the lone worker’s current position. In addition, an audible alarm from the TRIO itself helps to locate the distressed person. If the lone worker is still capable, he/she can call for help on his/her own by pressing an emergency button. Optionally, an emergency call will be escalated from the TRIO until someone responds to it and initiates rescue actions.

Key performance features

  • Process inspections (e. g. power plants, sewage treatment works and waste disposal factories, tips or for rail track inspectors)

  • Work in automated production plants, store-rooms, cellars, external store-rooms, deep-freeze stores

  • Forestry, tunnel and road construction

  • Local government employees

  • Security companies, Court employees


contact us for more information or a free trial •

contact us for more information or a free trial •


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