As used in this subchapter:
(1) “Assigned county frequency” means a frequency assigned to a specific county sheriff's office for carrying on day-to-day operations within the county. This frequency is allocated for use by the specific county-based stations and mobile units which are participating in the statewide communications system;
(2) “High band communication system” means frequencies assigned to larger municipal police departments and the county sheriffs' offices of Pulaski County, Garland County, and Sebastian County. The high band communication system frequencies shall be between one hundred fifty megahertz (150 MHz) and one hundred seventy-five megahertz (175 MHz);
(3) “Law enforcement agency” means the county sheriff's department, municipal police department, or city marshal;
(4) “Statewide base-to-base frequency” means a common statewide frequency for carrying on routine business between agencies located in different counties. This frequency is allocated for base station use only. Mobile units are not allowed to operate on this frequency. The statewide base-to-base frequency shall be thirty-seven and two tenths megahertz (37.20 MHz); and
(5) “Statewide emergency frequency” means a common statewide frequency for use in an emergency situation between law enforcement agencies. This frequency is allocated for use by all participating agency-based stations and mobile units. The statewide emergency frequency shall be thirty-seven and twenty-four hundredths megahertz (37.24 MHz).