Cavity Filter 5G

As the 5G frequencies increase there is the need to design with other types of filter technologies. Each filtering type has its advantages and disadvantages. For example, if size is important at the lower frequency bands the use of standard cavity filters is not optimal because the size of the cavities is quite large but as the frequencies rise the cavity size gets smaller and offers exceptional insertion loss. The next US 5G band has been allocated from 3100MHz-3550MHz and at these frequencies many filtering types work well including waveguide filtering. Below is an example of a cavity filter at these frequencies.
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