MEDCOM Frequency and PL Plan

FREQUENCY PLAN

• NOTE: This article was rewritten slightly from the original to improve the clarity and read. Corrections encouraged.

• T/155.280 MHz Alternate emergency resource coordination, and disaster relief.
• R/155.280 MHz T/155.340 Mhz Primary communications between medical facilities, physicians, nurses
• R/155.340 MHz Emergency Medical Technicians related to patient care, and instruction for treatment and transport of patients in the rendition or delivery of medical services.
• T/155.400 Southeastern Michigan disaster coordination frequency. This frequency may only be used for disaster coordination purposes and secondary HEAR/HERN purposes in the following counties: St. Clair, Macomb, Oakland, Wayne, Monroe, Washtenaw and Livingston. The only licensees to be allowed on this frequency will be hospitals, medical care facilities and frequency coordination centers. Mobiles will be only licensed through the agencies listed above. No ambulance dispatch facilities may be licensed in the counties listed above on this frequency.

MEDCOM VHF CTCSS TONE ASSIGNMENT PLAN

• MEDCOM Hospital Stations (including MEDCOM Medical Resource Coordination Centers) TX (all) - 97.4 RX (340)
• As individually assigned upon application to MDCIS-EMS It would be MDCIS-EMS's recommendation to have each mobile radio capable of transmitting all common CTCSS tones used by hospitals in Michigan.

Frequencies (UHF)

The FCC has designated the following primary med channels for communications between life support agencies and hospitals. All channels must be designated by the department.

• Please see the Emergency Medical Services Radio article for all the UHF frequencies and assignments
• Med 1 - 8 Prehospital communications between Base Mobile medical facilities and life support agencies.
• Med 9 Emergency resource coordination and Base and mobile Mobile centralized dispatching of emergency only medical care vehicles and personnel for the rendition or delivery of medical services.
• Med 10 Local and private dispatch and coordination of emergency medical care vehicles and personnel for the rendition or delivery of medical services.
• Med 11 - 83 The FCC has provided an additional 24 narrowband channels which may be available and will need to be coordinated by the department.
• Med 91, 92, 93, FCC has provided additional channels which may be available and will need to be coordinated by the department.

All hospitals in Western and Downriver Wayne County (Detroit area) are connected to the Health Emergency Medical Services (HEMS) Network. All ambulance-to-hospital traffic is patched from VHF, UHF and multiple 800 MHz systems to the hospitals through the HEMS Comms Center. More info at [1]