A 16 switched beam lens based antenna with a coverage area of <inline-formula><tex-math notation="LaTeX">\pm 30 ^\circ</tex-math></inline-formula> in the horizontal plane and from 0 to <inline-formula><tex-math notation="LaTeX">-20 ^\circ</tex-math></inline-formula> in the vertical plane has been built and tested. The intended use of the antenna is as part of a smart repeater servicing the coverage area of a 5G wireless communication system operating in the n258 band of the 5G Frequency Range 2, from 24.25 to 27.5 GHz. The antenna has been built using state-of-the-art materials and components in order to assess the performance of this antenna concept. The overall antenna losses including the feeding network are of the order of 8 dB and the realized gain in the <inline-formula><tex-math notation="LaTeX">80 \%</tex-math></inline-formula> of the coverage area is above 11 dB.