Plans for Pole Mounting a Wireless Outdoor Intercom
The materials you need for assembling this pole can all be readily
acquired from a building supply store such as The Home Depot. In fact,
we have included a list of their part numbers below.
The pole itself is an eight foot 2 3/8" galvanized fence pole. You
can even purchase a decorative end cap for the top of the pole to give
the installation a more finished appearance and to keep rain out. Since
eight foot is the appropriate height for the finished installation, you
need some method of mounting the pole to the ground without taking away
any of its height.
A 2" piece of electrical conduit happens to fit perfectly inside the
fence pole so you can get a ten foot piece of that and cut it in half.
Then you dig a two foot hole, pour some bags of pre-mixed fast setting
concrete mix in the hole, pour water on the concrete mix, and once it
hardens you slide the fence pole over the remaining three feet of
conduit. You can use bolts or sheet metal screws to hold the fence pole
in place on the conduit.
mounting the callbox you want to make sure the Talk button is mounted at
48" above the ground for ADA (Americans with Disabilities Act)
compliance. This enables someone in a wheelchair to easily access it.
The illustration below shows other holes you'll need to drill in the
fence pole for cables and equipment mounting. When you run cables
through the drilled holes you should insert some sort of bushing to
ensure the cable doesn't rub against the sharp edge of the pole. If you
are mounting the Multi-Mile callbox as shown, the cables already run
through its supplied cable bushing which holds the cables away from the
You want to mount the antenna as high as possible on the pole to
ensure the pole doesn't block the signal. You'll also get the best range
this way. An antenna cable extension will be required to add
approximately 3 feet of cable (extensions available from
IntercomsOnline.com). You will have to use a "fish tape" or stiff wire
to route the cables through the holes and the center of the pole. You
can use #12 x 3/4" hex head sheet metal screws to hold the antenna in