CPC G08G 1/096783 (2013.01) [H01Q 1/02 (2013.01); H01Q 1/3225 (2013.01); H01Q 9/22 (2013.01); H01Q 13/08 (2013.01); H01Q 21/28 (2013.01); H04W 4/44 (2018.02)] | 13 Claims |
1. A roadside apparatus comprising:
a housing including an antenna mounting surface;
an antenna connection terminal being provided on the antenna mounting surface, and supporting both a rod antenna and a planar antenna; and
a circuit being housed in the housing, and being configured to perform road-to-vehicle communication via a connection antenna connected to the antenna connection terminal, wherein
an area of the antenna mounting surface is equal to or larger than an area of the planar antenna, and
an antenna selected out of the planar antenna and the rod antenna is connected, as the connection antenna, to the antenna connection terminal.
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