Basic Configuration Gsm 1800 Mhz, M18D_1.2 - Ericsson CME 20 R6.1 Reference Manual

3.9 Basic Configuration GSM 1800 MHz, M18d_1.2
CDU
TX1
RXB
TRX
RXA
RXB
RXA
TRX
TX2
Figure 15
3.9.1 Characteristics M18d_1.2
Max. no. of TRXs
No. of feeders
No. of antennas
Antenna configuration
Loss TRX-TX Reference point
Limitations
3.9.2 Capacity M18d_1.2 (with Multicasting Box)
The capacity is defined at the Tx and Rx reference points marked with
X.
Capacity Radio Transmission: The output power from 1 TX to each TX/
Capacity Radio Reception:
EN/LZT 123 2697 R5A
1998-08-13
FILTER
RXDA
<
UNIT
RXDA
<
DUPLEX
Basic Configuration M18d_1.2
RX output/input is minimum +27.5 dBm.
The actual sensitivity level is −99.5 dBm,
or better.
© Ericsson Radio Systems AB
— All Rights Reserved —
Radio Configurations, RBS 2000 Micro
MultiCasting
2
1
1
TX/RX
Max. 4.5 dB in each output/input
No RX diversity
Ant.
output
TX / RX
Box
V
X
X
50
X
ohm
07_0348a
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