A Duo LNB is a double low-noise block downconverter (LNB) developed by SES for the simultaneous reception of satellite television signals from both the Astra 23.5°E and Astra 19.2°E satellite positions.
It is a monoblock LNB, which comprises two feed horns with a single body of electronics containing the LNB stages along with switching circuitry to select which received signal is passed to the output(s).
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