Mein LaTeX-Forum

\renewcommand{\arraystretch}{1.4}
\begin{table}[h]
   \centering
   \begin{tabular}{|l|l|l|ll}
      \cline{1-3}
      \textbf{Technologie} & \textbf{Frequenzbereich & \textbf{Hersteller}   \\ \cline{1-3}
      ZigBee Pro & 2.4 GHz, 868 MHz & Qivicon, Philips Hue, Miele, Lightify   \\ \cline{1-3}
      Z-Wave & 868 MHz & Fibaro, Devolo \\ \cline{1-3}
      HomeMatic & 868.3 MHz & Qivicon, RWE  \\ \cline{1-3}
      EnOcean & 868 MHz & Osram, Siemens \\ \cline{1-3}
      WLAN & 2.4 GHz, 5 GHz & Apple HomeKit \\ \cline{1-3}
      Bluetooth & 2.4 GHz & Casambi \\ \cline{1-3}      
      DECT ULE & 1880 bis 1900 MHz & Panasonic, AVM \\ \cline{1-3}  
      io-homecontrol & 868 bis 870 MHz & Somfy, Velux \\ \cline{1-3}      
   \end{tabular} \\[5mm]
   \captionsetup{justification=centering}
   \caption{Technologien der Smart Home Systeme im Überblick \cite{WEB:SH:TECHNOLOGIESTAB}}
   \label{tab:shtechnologies}
\end{table}