% Author: Prof. Dr. Matthias Jung, DL9MJ
% Year: 2024
\begin{tikzpicture}
    \draw[-Triangle](0.0,0.0) -- ++(5.0,0.0) node[anchor=west] (end) {$f$};
	\draw[-Triangle](0.0,0.0) -- ++(0.0,1.75);
    \fill[fill=DARCblue!50](1.5+0.5, 0.0) -- ++ (0,1.5) -- ++ ( 0.5, -0.0) -- ++(0, -1.5) coordinate(h1);
    \fill[fill=DARCblue!50](1.5+0.5, 0.0) -- ++ (0,1.5) -- ++ (-0.5, -0.0) -- ++(0, -1.5) coordinate(h2);
    \draw[thick, black] (1.5+0.5, 0) -- ++(0,1.5) node[anchor=south](){$f_T$};
    %
    \draw(1.50+0.5,0.1) -- ++(0,-0.2) node[anchor=north](caption){\qty{430,0075}{\mega\hertz}};
    \draw[Triangle-, DARCred](caption.south) ++(-0.5,-0.25) coordinate(start) -- (start-|end) node[midway,fill=white](){\qty{70}{\centi\metre} Band};
\end{tikzpicture}%