New wireless network dedicated to Public Safety First Responders holds first communication 

King County had a big day on Nov. 21, 2019 – the first two-way radio communication on a new wireless network that will handle public safety response for the next 20 plus years was held. This is the Puget Sound Emergency Radio Network (PSERN).

PSERN is managed by the Emergency Radio Communications Division, a division within King County’s Information Technology Department (KCIT), responsible for a nearly $300 million project that will serve first responders throughout King County.

The PSERN Project is expanding and updating the current system’s technology, and this work involves:

  • Nearly 18,000 new radios to be programmed and distributed
  • Coordination with 199 customer agencies
  • Installing 144 consoles in 19 dispatch centers (mostly 911 call centers)
  • Building and connecting 63 radio tower sites – from Vashon Island to Stevens Pass on U.S. 2.
  • Obtaining over 140 signed agreements with PSERN customer agencies and legislative bodies

The PSERN Project team is excited to share this success and to be building an E-911 response network that every person in King County can count on to help keep them safe. A big thanks is due to all of the partner agencies, vendors and County leaders who have helped make this moment possible! To find out more about PSERN visit A video of our first ever radio transmission is under Connect/Project News.