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

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UHF/700 MHz P25 Radio Communications SystemRequestion for ProposalsCaroline County, VirginiaF. It is anticipated that the simulcast and voting equipment shall be located at theCounty’s main tower site. The main tower site is located at 109 County Street,Bowling Green, VA 224273.1.4.2 Fixed Transmitter/Receiver EquipmentA. General:1. Repeaters and/or base station equipment shall be solid state in design andfunction with standard site conditions for temperature, altitude, andhumidity. Only linear repeaters are acceptable.2. Equipment shall have alarm interfaces to provide status to the NetworkManagement System.3. The units shall be as compact as possible, with mounting configurations forstandard relay rack or cabinets.4. The units shall consist of modular components or Field Replaceable Units(FRU) allowing for in the field repairs whenever possible.B. Repeaters and/or base station equipment shall comply with Part 90 of the FCCRules and Regulations, as well as appropriate EIA and similar agency standardsand be FCC type accepted for the required UHF and 700 MHz frequency bandproposals.C. Prior to implementation, the SELECTED VENDOR shall perform the followingstudies at each site:1. Intermodulation analysis – The SELECTED VENDOR shall considerequipment from all tenants located at the proposed site, per FCC licensedinformation.2. Maximum Permissible Exposure (MPE) study (per latest revision of OETbulletin 65) – The SELECTED VENDOR shall consider equipment from alltenants located at the proposed site, per FCC licensed information.D. The SELECTED VENDOR shall resolve all issues predicted during theintermodulation analysis and MPE studies. If an intermodulation problem isidentified following implementation, the SELECTED VENDOR shall resolve theissue without degrading system coverage or performance, for a period of up to12 months after final acceptance at no cost to the OWNER.May 27, 2011 Page 29 of 134
UHF/700 MHz P25 Radio Communications SystemRequestion for ProposalsCaroline County, VirginiaE. RESPONDENT shall include detailed specification sheets for all proposedequipment.3.2 System OptionsA. RESPONDENTS shall provide proposals for each of the following:1. 700 MHz Project 25 Phase 2 System2. UHF Project 25 System3.3 Option 1, 700 MHz P25 Phase 2 SystemA. A number of Caroline County’s neighbors own and operate trunked systems inthe 700/800 MHz frequency band. The implementation of a 700 MHz systemwould provide a high level of interoperability with these neighboring Counties.B. The system shall consist of five narrowband (12.5 kHz) trunked channels capableof providing eight talkpaths.3.3.1 SpectrumA. The proposed radio system shall operate in the 700 MHz spectrum withsubscribers capable of operating in both the 700 MHz and/or 800 MHzspectrums. Caroline County has been allocated channels within the 700 MHzspectrum by the Region 42 RPC. The channels allocated by the RPC areprovided in Table 1.Table 1 – Caroline County’s allocated 700 MHz Spectrum700 MHz ChannelNumberChannelCenter Frequency of 12.5 kHzchannel137‐140205‐208341‐344137 769.856250139 769.868750205 770.281250207 770.293750341 771.131250343 771.143750May 27, 2011 Page 30 of 134
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Caroline County, Virginia Request for Proposals Project 25 Radio ...

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