> From a very good amplifier (located at the back of the antenna, behind the F connector).
> From a flat reflector.
> A flat monopole fed from the edge.
> A flat element (director).
> Two flat waveguides, left and right.
All these flat surfaces perform better with the same number of elements compared to an antenna with classic elements (tubes).
These elements (surfaces) create a fairly narrow reception lobe which provides satisfactory gain and reception only from the front.