Product Description Part 2

RBS 210 6 and RBS 2206 Radio Configurations
P008527A
RX B
TDMA RBS
Co-sited
TDMA RBS
dTRU Based
RBS
RX A
TX RXRX TX/RXTX/RXTX
ddTMA ddTMA
TMA TMA
Figure 23 Separate TX and Two Separate RX Antennas, with TMAs
No new antennas are r equired.
8.2 One Duplex Antenna RX/TX
The TDMA RBS may be equipped with only o ne TX/RX antenna. Th e
recommendation in this case is to add two antennas for th e dTRU based RBS .
One RX signal from the dTRU based RBS is supplied to the TDMA R BS, thus
adding RX dive rsity to the TDMA RBS.
P008503A
RX A
TDMA RBS
TX/RX
Co-sited
TDMA RBS
TX/RX
dTRU Based
RBS
TX/RX TX/RX
Figure 24 One Duplex Antenna RX/TX
8.3 Two Separate D
uplex Antennas
If two separate duplex antennas are alr eady in use, the recommendation is to
install new antennas for the dTRU based RBS and not use co -siting at all.
57 (62)
EN/LZT 720 0318 Uen R5A