Communication apparatus for vehicle

Provided is a communication apparatus for a vehicle. The communication apparatus for a vehicle comprises: a first case forming an external surface; a communication interface unit including a processor arranged inside the first case and a plurality of first connection terminals electrically connected to the processor and arranged on a first side of the first case; and a first antenna module including a plurality of first access terminals respectively coupled to be directly separable from the plurality of first connection terminals, and a first antenna electrically connected to at least one of the plurality of first access terminals, wherein the communication interface unit and the first antenna module are coupled to each other as one body when the plurality of first connection terminals are connected to the plurality of first access terminals.