DUAL-BAND RADIO TERMINAL AND FILTER STRUCTURE
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United States of America Patent
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Issued Date -
Sep 19, 2024
app pub date -
Jan 29, 2021
filing date -
Jan 29, 2021
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Abstract
A filter structure has a frame carrying a filter compartment that holds first and second waveguide filters (F1H, F2H; F1L, F2L). The filter compartment is rotatable a predetermined angle around a rotation axis (AV) relative to the frame so as to either engage the first waveguide filter (F1H, F2H) or the second waveguide filter (F1L, F2L) in a waveguide conduit, thus rendering the waveguide conduit adapted for forwarding radio-frequency signals at a higher band or a lower band respectively. Consequently, the filter structure is suitable for inclusion in a dual-band radio terminal for communication with spacecrafts via an antenna unit exchanging radio-frequency signals bidirectionally with the spacecrafts.
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