| 摘要 |
An embodiment according to the present invention provides an antenna device comprising: a first antenna rod; a second antenna rod insulated with the first antenna rod and capable of entering and exiting; and an impedance matching unit connected to be able to be moved with the second antenna rod and having one end electrically connected to the second antenna rod; and an elasticity unit connected to the impedance matching unit, elastically pressuring the internal surface of the first antenna rod, and electrically connecting between the other end of the impedance matching unit and the internal surface of the first antenna rod. |
