Ericsson RBS 2106 Hardware Reference Manual page 105

RBS 2106 and RBS 2206
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The figure below shows how a basic configuration identity is constructed.
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Variant indication, lower case letter a-z
Number of used transceivers
Max number of transceivers
Number of antennas
dd TMA used
Hybrid in dTRU; used
Duplexer in CDU; used
Frequency band
CDU-type
Radio Configurations
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