\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{Showtime}
\pdfinfo{
  /Title (all-things-av.pdf)
  /Creator (Cheatography)
  /Author (Showtime)
  /Subject (All Things AV Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{4872A3}
\definecolor{LightBackground}{HTML}{F3F6F9}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{All Things AV Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Showtime} via \textcolor{DarkBackground}{\uline{cheatography.com/182535/cs/41598/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Showtime \\
  \uline{cheatography.com/showtime} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 19th October, 2024.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{3.116 cm} x{2.356 cm} x{2.128 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Video Limits}}  \tn
% Row 0
\SetRowColor{LightBackground}
HDMI 1.4 & 1080p @ 120 & 15m/50ft \tn 
% Row Count 1 (+ 1)
% Row 1
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HDMI 2.0 & 4k @ 60 & 10m/30ft \tn 
% Row Count 2 (+ 1)
% Row 2
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DisplayPort 1.2 & 4k @ 60 & 15m/50ft \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
DisplayPort 1.4 & 8k @ 60 & 15m/50ft \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
HD SDI & 1080i @ 60 & 100m/300ft \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
3G SDI & 1080p @ 60 & 100m/300ft \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.96 cm} x{3.04 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{USB Limits}}  \tn
% Row 0
\SetRowColor{LightBackground}
USB 2.0 & 480 Mbps \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
USB 3.0/3.1/3.2 Gen 1 & 5 Gbps \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
USB 3.1/3.2 Gen 2 & 10 Gbps \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
USB 3.2 Gen2x2 & 20 Gbps \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
USB 4.0 & 20 or 40 Gbps \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
USB 4.0 ver2 & 80 Gbps \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Projection Throw Ratio}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Ratio = Distance/Width} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Width = Distance/Ratio} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Width = Ratio x Width} \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.512 cm} x{1.728 cm} x{1.728 cm} x{2.232 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Data Rate Conversion}}  \tn
% Row 0
\SetRowColor{LightBackground}
1 Mb & 0.125 MB & 0.001 Gb & 0.000125 GB \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
8 Mb & 1 MB & 0.008 Gb & 0.001 GB \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
1000 Mb & 125 MB & 1 Gb & 0.125 GB \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
8000 Mb & 1000 MB & 8 Gb & 1 GB \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{1.672 cm} x{2.28 cm} x{3.648 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Ethernet Limits}}  \tn
% Row 0
\SetRowColor{LightBackground}
Cat 5e & 1 Gbps & 100M/300ft \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Cat 6 & 10 Gbps* & 55M/150ft* \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Cat 6A & 10 Gbps & 100M/300ft \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
 &  & *1Gbps @ 100M \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{RJ45 Wiring}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/showtime_1726679614_Screenshot 2024-09-18 104819.png}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}