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Public Safety Communication Systems

Building fiber and radio connectivity for first responders, City-owned facilities and underserved communities in San Francisco.


Our Core work

We provide a full range of installation and support services for connectivity and enhanced communications through the City.


Expands fiber installation to all remaining eligible City-owned facilities and underserved areas in San Francisco.

Radio Networks

Provides enhanced communication services for emergency response and citywide coverage.

Frequently asked questions

  • The radio network operates on a different frequency than telephone, internet and other communications. In the event the networks we rely on everyday become unavailable first responders can still coordinate their response because the radio system operates outside of the normal frequencies.
  • DT can assist departments with acquiring replacement radios, parts and accessories. DT recommends replacing portable and mobile radios every 7 years and batteries every 3 years.