Iowa Code § 693.1

The commissioner of public safety may enter into such contracts as the commissioner may deem necessary for the purpose of utilizing a special radio broadcasting system for law enforcement and police work and for direct and rapid communication with the various peace officers of the state. The said commissioner shall be empowered, subject to the approval of the governor and executive council, to equip divisional headquarters, cars, and motorcycles in the department with radio sending or receiving apparatus or both.