In this subchapter:
(1) “First responder” means a public safety employee or volunteer whose duties include responding rapidly to an emergency. The term includes:
(A) a peace officer whose duties include responding rapidly to an emergency;
(B) fire protection personnel under § 419.021;
(C) a volunteer firefighter who is:
(i) certified by the Texas Commission on Fire Protection or by the State Firemen’s and Fire Marshalls’ Association of Texas; or
(ii) a member of an organized volunteer fire-fighting unit as described by § 615.003;
(D) an individual certified as emergency medical services personnel by the Department of State Health Services;
(E) an emergency response operator or emergency services dispatcher who provides communication support services for an agency by responding to requests for assistance in emergencies; and
(F) other emergency response personnel employed by an agency.
(2) “Infrastructure equipment” means the underlying permanent equipment required to establish interoperable communication between radio systems used by local, state, and federal agencies and first responders.