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How Do I Install an Outside Antenna on a J-Bar Mount?

Updated: Apr 9

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Outside Antenna Installation on a J-Bar Mount


Warning: These cables are VERY sensitive to bending. They are high-gain, low loss cables and are sensitive to pressure on the inner wire which is made of aluminum. The amount of bending of the cable as it is laying in the shipping box is the MOST that you can bend it. You cannot bend them in a V or L or kink them in any way. Damage to these cables will require the cost of a replacement cable and shipping at your expense.


Mount the Antenna J-Bar using the supplied instructions. This J-Bar can be mounted on a wall, an eave, or on the shingles of a roof. All installations of the J-Bar are at your risk. Net All Over does not take responsibility for leaks or structure damage due to improperly installed J-Bars. If you mount it to the shingles of a roof, be sure to use lag screws and seal the screws and the J-Bar with Roof Cement or Tar Patch which can be purchased from a hardware/home improvement store.


Assemble the antenna according to its instructions that were inside the Antenna box. You can then mount the antenna onto the J-Mount.


This antenna is highly directional. Use the map provided with the antenna kit to point the antenna at a straight line to the cell tower.


You will need to run the cables from the antenna inside the house. This will normally require drilling a hole or holes for the 2 cables. Do not stretch, force, or bend the cables to get the connector through the hole. It must go in without much effort in order to avoid accidentally damaging them. The end without the pigtail cable will go on the antenna. You can connect the antenna to the cable and then seal it with either silicone seal tape or Coax-Seal Sealing Tape (both are available at hardware/home improvement stores) in order to prevent water from getting into the cable connections. Moisture in the cable will degrade the performance of your antenna.

When you install the antenna inside, you can screw the small connectors on the pigtail cable directly into the LTE radio/router. These do not have to be sealed. You can plug either cable into either antenna connector on the radio/router.

You are now ready to test.


Net All Over was founded by one of the innovators of Wireless Internet (Wi-Fi) service, having designed one of the first outdoor wireless Internet networks in the U.S. in 1996. Our goal is to provide high-speed Internet service to rural or low-service areas that either have no competitive alternative – OR – have no high-speed choice at all.

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