1. Field of the Invention
The present invention relates to a waveguide filter device for use as a bandpass filter or a band-reject filter in a high-frequency range. The waveguide filter device is applicable to mobile communication equipment such as a telephone or a pager and other electronic equipment.
2. Description of the Related Art
In recent years, extensive efforts have been made to achieve miniaturization of various kinds of electronic equipment, and especially, the waveguide filters 50e0806aeb otylsal
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