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You must have an existing Internet connection with hardwired service provided through a cable modem that can transmit wirelessly, WIFI, or direct connection hardwired to the computer. If you already have that, you don't need this. This can boost a, "free," internet signal perhaps provide a more stable public WIFI, Free, internet connection for you. I use it to communicate with the Ford MS CAN, HS CAN, OBD-II onboard vehicle network. For example, my 2016 Ford Platinum Expedition EL has 2 Main onboard computers, and 10 subsystems. The vehicles WIFI ELM 327 Adapter broadcasts an open WIFI signal a very, very, very short distance from the vehicle. This takes that open WIFI network, not internet, internet, but vehicle specific internet, boosts the signal, secures the connection, makes it private, so I can program the onboard systems to function the way I want, not the way Ford thinks I want them to, from my Desk Top computer 350 Feet away in my office. Where its dry, warm, and toasty.
Sorry, there was a problem. Please try again later.No, this cannot be used without an internet connection.
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