Basic Configuration Gsm 900 Mhz, M9D_1.2 - Ericsson CME 20 R6.1 Reference Manual

Radio Configurations, RBS 2000 Micro
3.7 Basic Configuration GSM 900 MHz, M9d_1.2
CDU
TX1
RXB
TRX
RXA
RXB
RXA
TRX
TX2
Figure 13
3.7.1 Characteristics M9d_1.2
Max. no. of TRXs
No. of feeders
No. of antennas
Antenna configuration
Loss TRX-TX Reference point
Limitations
3.7.2 Capacity M9d_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:
30 (306)
FILTER
RXDA
<
UNIT
RXDA
<
DUPLEX
Basic Configuration M9d_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 —
MultiCasting
Box
2
1
1
TX/RX
Max. 4.5 dB in each output/input
No RX diversity
EN/LZT 123 2697
Ant.
output
TX / RX
V
X
X
50
X
ohm
04_0348a
R5A
1998-08-13