Unified Antenna Module and Roof Antenna For Vehicle Using it

摘要

The present invention is an antenna; a first preamplifier connectable to an RF cable; a second preamplifier connectable to the transceiver module; and a switch unit configured to connect the first preamplifier or the second preamplifier to the antenna when any one of the RF cable or the transceiver module is connected. It provides an integrated antenna module that includes