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Capital City Communications Limited main activities are; Radio Coverage Solutions; In-building; Plant, Office & Underground carpark areas, Local & Wide Area VHF & UHF communications, Tunnel Coverage Solutions for Single & Twin track railway, Tunnel Confined Space Walkways. Site Engineering Services; Aerial Rigging Service, Antenna Systems for VHF, Tetra, UHF, GSM900 & GSM1800 & 3G Filter Networks single & multi-coupling of radio stations, Frequency System Planning, In-building radiating cable computer modelling (75-2300MHz), Installation Services for RF feeder cables & SM / MM Fibre cables, Quality Management System services to BS EN ISO 9000, Radio propagation survey; On-site location & Area plotting (0.1-3000MHz), RF Interference and frequency spectrum emission measurements
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