Internet hookup (5)
I believe the answer is:
modem
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">internet hookup</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for modem that I've seen before include "Computer interface" , "electronic device" , "Device for connecting computers via a phone line" , "Device for connecting two computers" , "PC/telephone link" .)