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ATTACHMENT "A" CITY OF SANTA ANA PUBLIC SAFETY RADIO SYSTEM COVERAGE SPECIFICATIONS Performance. Specifications are provided to assist property owners in satisfying a delivered audio quality (DAQ) of 3 with a 90% reliability factor for emergency personnel using radio communication in their buildings and structures. Property owners who can demonstrate full compliance with the reliability factor without adhering to all of the following specifications may be excused from all or part of these provisions. Property owners who adhere to all of the specifications and fail to reach the reliability factor must employ all resources necessary to ensure full compliance. Performance and compliance will be inspected annually as part of the Santa Ana Fire Department's Annual Fire Inspection. 2. Signal Strength, Signal Rejection, Modulation Compatibility, Delivered Audio Quality and Technical Specifications. The following defines the minimum required level of radio signal strength: • A minimum signal strength of (- 95dBm) in 90% of the area of each floor of the building from both the 800 MHz Countywide Communications Systems and from within the building is required. • The frequency range supported from the 800 MHz Countywide Communications System shall be 851 - 869 MHz (base transmitter frequencies). • The frequency range supported to the 800 MHz Countywide Communications System shall be 806 - 824 MHz (radio Feld transmit frequencies) • A public safety radio amplification system shall include filters to reject frequencies below 851 MHz and frequencies above 869 MHz by a minimum of 35 dB. • All system components must be 100% compatible with analog and digital modulations after installation without additional adjustments or modifications. The systems must be capable of encompassing the frequencies stated herein and capable of future modifications to a frequency range subsequently established by the City of Santa Ana. If the system is not capable of modification to future frequencies, then a new system will need to be installed to accommodate the new frequency band. Active devices shall have a minimum of —50 dB 3'd order intermodulation protection. All active in- building coverage devices shall be FCC Part 90 Type Certified. Ordinance No. NS -2722 Page 6 of 9