How to Warn Occupants about Active Shooters

A siren screams when a tornado or hurricane approaches. Fire alarms blare when smoke is detected. But what happens if your building is threatened not by weather or an accident, but by a human being?

According to national averages, an active shooter situation only lasts 12 minutes. That’s very little time to react to the event, assess available information, notify emergency responders, warn building occupants, initiate safety protocol, and monitor subsequent developments.

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Communication & AV Solutions

CASE STUDY: GROWMARK Inc.

When cellular coverage fell short at Growmark’s new headquarters, Tech Electronics and Zeller Electric partnered to implement a fast, effective DAS solution—restoring reliable service across all three floors and delivering immediate results for staff.

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Communication & AV Solutions

VIDEO: MRH Elementary School

For over two decades, MRH Elementary struggled with poor cell reception—until Tech Electronics installed a Distributed Antenna System (DAS), eliminating dead zones and vastly improving communication and safety. The rapid rollout made the school a standout in the St. Louis area.

Read More
Communication & AV Solutions

CASE STUDY: GROWMARK Inc.

When cellular coverage fell short at Growmark’s new headquarters, Tech Electronics and Zeller Electric partnered to implement a fast, effective DAS solution—restoring reliable service across all three floors and delivering immediate results for staff.

Read More
Communication & AV Solutions

VIDEO: MRH Elementary School

For over two decades, MRH Elementary struggled with poor cell reception—until Tech Electronics installed a Distributed Antenna System (DAS), eliminating dead zones and vastly improving communication and safety. The rapid rollout made the school a standout in the St. Louis area.

Read More

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