Antenna for satellite communication having structure for switching multiple band signals

An antenna for satellite communication having a structure for switching multiband signals, which is installed in a mobile body, the antenna for satellite communication comprising:

• a main reflecting plate configured to be rotatable in a predetermined direction so as to detect a satellite signal;
• a sub-reflecting plate configured to be installed so as to be spaced apart from the main reflecting plate by a predetermined distance by at least one support means installed in an edge region of a reflecting surface of the main reflecting plate;
• a first feed horn configured to transmit a first band signal to a satellite through the main reflecting plate via the sub-reflecting plate or receive the first band signal from the satellite;
• and
• a second feed horn configured to be electrically separated from the sub-reflecting plate, form a structure integrated with the sub-reflecting plate, and transmit a second band signal to the satellite through the main reflecting plate or receive the second band signal from the satellite,
• wherein the structure in which the sub-reflecting plate and the second feed horn are integrated is movable so that the sub-reflecting plate or the second feed horn is oriented toward the main reflecting plate.