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How to connect an outdoor wi-fi antenna to a router

Updated February 21, 2017

The placement of a Wi-Fi antenna has a direct bearing on how well it can receive a remote wireless signal. An outdoor Wi-Fi antenna is well suited for picking up Wi-Fi transmissions that might be blocks away. Thee outdoor Wi-Fi antenna must be properly connected to the router being used with the wireless home network if it is to be used reliably over time. The procedure requires a few common household tools as well as some supplies from a hardware store and electronics shop.

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  1. Plug the USB male end of the USB-to-coax adaptor into the connection on the USB Wi-Fi adaptor that is being used to acquire the Wi-Fi signals for the antenna. Screw an end of the coaxial cable onto the female coax end of the USB-to-coax adaptor.

  2. Aply silicone paste around the seam where the coaxial cable screws onto the female coax end of the USB-to-coax adaptor -- this will provide weatherproof protection.

  3. Apply silicone paste around the USB male end of the USB-to-coax adaptor where it meets the female end of the USB Wi-Fi adaptor. Let the silicone paste set for two hours before continuing.

  4. Run the coaxial cable to the baseboard of the outside wall of the house. Drill a hole in the baseboard with the portable drill. Push the free end of the coaxial cable through the hole in the baseboard.

  5. Run the coaxial cable along the baseboard of the wall until you reach the router. Hammer nail "U" clamps into the baseboard at regular intervals to circle and hold the coaxial cable in position.

  6. Screw the free end of the coaxial cable into the female coax end of the coax-to-USB adaptor. Plug the USB end of the coax-to-USB adaptor into the USB antenna port on the back of the router.

  7. Apply silicone paste around the outside of the hole where the coaxial cable goes through. Apply silicone paste around the inside of the hole as well. Let the silicone paste set for at least four hours before reapplying the paste again.

  8. Tip

    Substitute a Pigtail N adaptor cable for the coaxial cable and the adaptors if the antenna and router do not have USB ports.

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Things You'll Need

  • Coaxial cable, 100 feet
  • Portable drill
  • 2-inch drill bit
  • USB-to-coax adaptor
  • Coax-to-USB adaptor
  • Silicone paste
  • Nail "U" clamps
  • Hammer

About the Author

Marshal M. Rosenthal

Marshal M. Rosenthal is a technology maven with more than 15 years of editorial experience. A graduate of Brooks Institute of Photography with a Bachelor of Arts in photographic arts, his editorial work has appeared both domestically as well as internationally in publications such as "Home Theater," "Electronic House," "eGear," "Computer and Video Games" and "Digitrends."

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