Can I use an antenna or extender with Karma Go? Customer Support April 30, 2021 19:33 At the moment, you aren’t able to use any type of antenna or extender with Karma Go. Perhaps this may change in the future. Related articles What should I do if the login process gets stuck? Ordering your Karma SIM or Hotspot (shipping, delivery times, and more) Is Karma Go better than tethering? Why won’t my Karma Go charge? Comments 0 comments Please sign in to leave a comment.