Oklahoma City's siren system is made up of at least 181 Whelen sirens. The majority of these sirens were installed in 2002. These Whelen's includes 108 Vortex R4's and 69 WPS 2810's. There are also a few other WPS 280X's within there. There is 1 2808 and 2 2806's and a single 2906, the only 2900 series siren in Oklahoma City's system. .
More information needed on Oklahoma City's old siren system.
- "Oklahoma City siren map". Unknown. Unknown. Retrieved July 24, 2016.