User Manual

Table Of Contents
Combining and Distribution Unit
4 Function Description
This section describes the functions of CDU-C+. The CDU-C+ can be divided
into the following functional parts:
•TXpart
RX part
The gure below shows a block diagram of CDU-C+ (GSM 900) with duplexer.
RX 1
RX 2
RX 3
RX 4
RX 5
RX 6
P010161B
Figure 1 Block Diagram for CDU-C+ with Duplexer
The gure below shows a block diagram of CDU-C+ (GSM 1800 and GSM
1900) without duplexer.
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EN/LZT 720 0278 Uen R1B 2010-08-09