| abstract |
A window product according to various embodiments of the present invention comprises: a window; and a film made of at least one insulation material and bonded to one side of the window, wherein the permittivity of the insulation material constituting the film is lower than the permittivity of the window and is higher than the permittivity of air, and the film may be a film for reducing loss of radio wave transmissivity of the window when attached to the window. Other various embodiments are also possible. |