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Hitachi Kokusai Electric supplies
the complete bandwidth for every application, modified for frequencies
and applications as required by the customer. Here of course, combinations
of features are also possible, as are designs as single-mode, dual-mode
or broadband repeaters.
Optical Transmission Booster (RF reception) This receives the signal from the base station and passes it via glass fibre lines to booster units which then in turn provide the signal for local reception. It is ideal when longer distances to the retransmission point of the signal (2 km) must be bridged, e.g. in tunnels or subway areas of airports, stadiums, etc. Bi-Directional Repeater Receives and amplifies the signal for passing to branched mobile phone reception zones, e.g. in underground car parks. Optical Transmission Booster PCS-1000 This receives the signal from the base station and passes it via glass fibre lines to booster units. From here the signal can then in turn be passed on to distributed mobile phone reception zones. For application in extended screened areas such as tunnels or underground railways. Frequency Converting Repeater For reception and transmission of the signal to a receiver / transmitter unit in an area of poor reception, such as in a valley or along the coast. Loop Cancelling Booster Can transmit the signal from the base station to remote areas, e.g. a valley, where it can be made available for reception on a number of frequencies. Roof Top High Power Common Amplifier This unit is installed at a base station mast and is used as a transmitter amplifier for the regional mobile telephone cell. In addition it can receive signals and pass them on amplified to the base station. |
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