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I'm Buster Brown, I live in a shoe. This is my dog Tige, he lives there too.

Technical - 4G Antenna Mount

Red Rover, Red Rover, Send Tige Over
Red Rover, Red Rover, Send Tige Over

Last Changed 4/9/2016

We use the Winegard Sensar (batwing) antenna as a mount for our 4G antenna on Tige.  The Bounder we bought comes with a fixed  over-the-air (OTA) antenna and was not suitable for mounting a 4G antenna.

Jack's Mount We got the idea from Jack Mayer who has a great website for communication information.

Jack used a pipe and a pipe flange to attach the antenna.  The pipe flange was attached to a sheet of steel with magnets.

The idea is that if the antenna is struck, it can tip over.
Mount pieces We use a plastic marine antenna base and a piece of an old fiberglass marine antenna extension mast that screws on the base.

We got the 45 lb. pull magnets from Amazon.  They have #10 holes.
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Assembled mount We used stainless 10-24 flathead screws, washers and nuts to mount the magnets in the marine antenna base mounting holes.

We used marine antenna components because the plastic and fiberglass should not have an effect on the antenna like the steel pipe that Jack used might.
Assembled mount This is how we originally planned to mount the WirEng BoatAnt on our mount.

We choose the BoatAnt because of its small form factor with a high level of signal reception.
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Assembled mount We modified the fiberglass extension stub by shortening it and notching to fit the bottom of the WirEng BoatAnt.

We can now mount the BoatAnt across the antenna mount.
Assembled mount This is our BoatAnt ready to put on the steel sheet on the top of the Bounder.

The mount with the antenna outside of the mount was pretty stable.  Now with the antenna across the mount, it is very stable.

The U-Bolts we receive with the BoatAnt were plain steel.  We happed to have stainless U-bolts and used them instead.
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Hole in roof We drilled from inside with a long 1/4" drill bit so we knew where the entry point would be.

We then used a 3/4" hole say to cut through the roof.  We had to also cut from the inside to complete the hole.
Reducer and conduit We are running a piece of 1/2"electrical PVC conduit.

We use a 3/4"-to-1/2" reducer to add to the surface area for gluing the conduit and reducer to the electrical box.
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Electrical box glued We drilled through the bottom of the PVC electrical box for the 1/2" conduit gluing the conduit and the reducer.

3M 5200 adhesive caulk was spread under the bottom surface of the electrical box.

We use masking tape to make for cleaner caulk lines.  After the caulk is smoothed, the masking tape is removed.
Inside of hole The hole from the inside.  We had trial fitted the conduit to know what its length should be.
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Completed roof access The roof access will be used with the 4G Antenna and the Bullet mount.
Completed roof access We use wire ties (left) to gold cable on the roof.  The adhesive back of the wire tires (left center) is not good for exterior use,  We remove the regular adhesive (right center) using lacquer thinner.

Then we apply 3M Red Label super tape.
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Completed roof access Here are the 4G Antenna and the Bullet radio magnetically attached to a steel plate caulked to the roof.

The steel plate is painted to resist rust..
Completed roof access We used the prepped wire ties to route the 4G Antenna cable and the Cat-5 cable from the Bullet radio to the roof entrance..
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The ever more clear hindsight said we should have used 3/4" conduit instead of 1/2"

With the 1/2" conduit, we had to feed the RJ45/CAT-5 cable from the Bullet first followed by the SMA cable from the4-G Antenna.

With a 3/4" conduit we could feed either cable first.

Disclaimer: The information in this site is a collection of data we derived from the vendors and from our personal experiences.  This information is meant as a learning guide for you to  make your own decisions  Best practices and code should always be followed.  The recommendations we make are from our personal experiences and we do not receive any compensation for those recommendations.