Multiband Combiner; Figure 4-4 Node Am4 3-Band Combiner (850-900, 1800, 2100 Mhz) With Three Pairs Of Band Ports) - CommScope Node AM4 Manual

4. Functional Description

4.3.1. Multiband Combiner

The task of the multiband combiner is to combine and to separate the individual frequency
bands received from the common BTS and Mobile port.
The following figures show a examples of multiband combiners for the Node AM4.
DO NOT use the 30 dB coupling probes [3] for modem connection!
o
DO NOT connect the Modem RF probe [1] on the "Mobile" side of the Node AM
o
repeater with the 30 dB coupling probes [3]!
Front view
3
2
figure 4-2 Node AM4 3-band combiner (850-900, 1800, 2100 MHz) with three pairs of
MF0121ACP_uc.docx
3-D-view
1
band ports)
Manual for Node AM4 Page 37