CPC H03G 5/165 (2013.01) [H01P 1/182 (2013.01); H03G 5/28 (2013.01); H04L 27/01 (2013.01)] | 20 Claims |
1. An apparatus comprising:
a waveguide; and
two or more posts configured to move in parallel within a cavity of the waveguide.
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