Ericsson RBS 2106 Hardware Reference Manual page 185

RBS 2106 and RBS 2206
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If the original antenna arrangement is TX/RX + RX, the recommendation differs
for configurations where the duplex filter is mounted internally, without the
possibility to access the TX and RX ports separately, and configurations where
the RX path is accessible.
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If the duplex filter is internal and the RX path is not accessible, the
recommendation is to add one antenna and rebuild the configuration in the
same way as in the case with TX + RX + RX in 6HFWLRQ  RQ SDJH .
EN/LZT 720 0318 Uen R1A
TX/RX
TX/RX
TDMA RBS
TDMA RBS
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TX/RX
TX/RX
TDMA RBS
TDMA RBS
Recommendation:
No Co-siting!
Radio Configurations
TX/RX TX/RX
dTRU Based
RBS
P008504B
87 (90)