Ericsson RBS 2106 Hardware Reference Manual page 261

1 Product Overview
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Antenna sharing is part of co-siting, that is, using a cabinet operating on
another standard together with a GSM cabinet in the same sector. The ASU
allows a TDMA (or other) cabinet and a GSM cabinet to share RX antennas. It
does this by sharing the RX signals between both cabinets.
The ASU is a broadband product, which means that it covers 800 –1910 MHz.
2 Dimensions
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22 mm

3 Power Consumption and Heat Generation
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4 Function Description
The general function of the ASU is to take a portion of the RX signal and send
it to the co-sited RBS.
The ASU also switches the attenuation according to whether or not a TMA is
used. It also indicates the attenuation state via an indicator.
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437.5 mm
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120 mm 2 kg
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