5. Insert the 14” threaded rod through the hole in the wall. If the thickness of the wall is greater then 10”, a longer rod
may be required. Different lengths of rod are available at hardware stores. If a longer threaded rod is needed,
please use a 5/8”-11 threads per inch rod.
6. Place the nut and metal plate over the rod.
7. Tighten the square nuts to an approximate torque of approximately 55 ft-lbs.
8. Drill a second 5/8” (1.59 cm) hole 2.5’ (0.76 m) directly below the first hole.
9. Ensure both clamps are vertically aligned, as shown in figure below
10. Repeat Steps 4 through 6.
11. Connect the LMR 400 cable to the antenna. Be sure the connection is tight.
12. Insert the mast into the clamps.
13. Tighten both clamps evenly and securely.
14. Install gelwrap splice enclosure over the connection between the LMR400 cable and antenna. Secure gelwrap to
mast using common electrical tape or cable ties.
15. Next, route the antenna cable. For additional information, see "Route Antenna LMR 400 Coaxial Cable" located on
page 23.
Primex Wireless
UK 1/2 and 5 Watt Transmitter - External Antenna Installation & User Guide
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