Caroline County, Virginia Request for Proposals Project 25 Radio ...

UHF/700 MHz P25 Radio Communications SystemRequestion for ProposalsCaroline County, VirginiaD. Receiver Voting:1. Receiver voting equipment shall monitor all receivers in the simulcastsystem and select the best signal for processing and rebroadcast throughthe network.E. Antenna Systems1. RESPONDENT shall propose all antenna system equipment necessary fora complete design. Antenna system equipment shall include tower framesand/or antenna mounts as necessary.2. Antennas shall be appropriate to provide the required coverage and meetapplicable FCC rules and regulations.3. Transmission line type and length shall be appropriate to provide therequired coverage.4. RESPONDENT shall fully describe expansion capacity for combiner andmulticoupler systems to allow for additional channels in future upgrades.5. RESPONDENT shall include detailed specification sheets for all proposedequipment, including, but not limited to antennas, receiver multicouplers,transmitter combiners, tower top receiver pre-amplifiers (if applicable).3.1 Project 25 Radio Communications Network RequirementsA. The Radio Communications Network Requirements section details the technicalaspects of the anticipated radio system. This section lists the minimumrequirements for the respondent’s proposed radio system. The following list shallact to define the minimal operational requirements of the proposed radio system:1. Push-To-Talk Identification (PTT-ID)2. Emergency Alert3. Emergency Call4. Selective Call5. Selective Alert6. Status / Message7. Text Messaging8. Radio InhibitMay 27, 2011 Page 25 of 134