Article below is a part of the assembly process of the UHF duplexer – main article is HERE.
Drawing below shows a [AL100] – 4 Inches Aluminium Tube
Main purpose of the part: it is the main part of the cavity – all components are inside of the tube.
![](https://www.rozenek.com/wp-content/uploads/2022/10/AL100-4-Inches-Aluminium-Tube-Rev-3.png)
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![](https://www.rozenek.com/wp-content/uploads/2022/10/PXL_20220921_160626918-1-scaled.jpg)
![](https://www.rozenek.com/wp-content/uploads/2022/10/PXL_20221014_190646954-scaled.jpg)
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![](https://www.rozenek.com/wp-content/uploads/2022/10/PXL_20221014_193852853-scaled.jpg)
![](https://www.rozenek.com/wp-content/uploads/2022/10/image-2.png)
![](https://www.rozenek.com/wp-content/uploads/2022/10/PXL_20221014_191028193-scaled.jpg)