Huawei OptiX RTN 600 Product Description page 8

Figure 1-2 IDU 620
II. ODU
There are two types of antenna configurations:
One ODU using one antenna
The ODU is installed on the back of the antenna.
Two ODUs sharing one antenna
An RF signal combiner/splitter (hereinafter referred to as hybrid coupler) is used
between the antenna and the two ODUs.
Figure 1-3 One ODU using one antenna configuration
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Product Description
OptiX RTN 600
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