Ul And Dl Duplexer; Figure 4-14 Duplexer, Ul In; Figure 4-15 Duplexer, Dl In; Figure 4-16 Duplexers Installed - Andrew Node G Series User Manual

User's Manual for Node G
Network Elements

4.3.6. UL and DL Duplexer

The duplexer is used to isolate the uplink from the downlink, i.e. to separate the
transmitting path from the receiving path. The pass band of the duplexer is the full
band (EGSM). This allows the same Node G to be used regardless of its operator's
frequency plan.
The UL and DL duplexers have multiple outputs, including the primary and extension
path, plus forward and reverse probes used for auto setup, VSWR, and RSSI
functions.

figure 4-14 Duplexer, UL IN

figure 4-15 Duplexer, DL IN

LNA
LNA

figure 4-16 Duplexers installed

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