User Manual

NOTCHCELL 20W OPERATING MANUAL
R-tron America, Inc. Page: 27 / 57
3.3.7 Installing Antenna
3.3.7.1 Precautions
Antenna is a precise material. Make sure of no damage or deformation on it through the
careful installation.
Do not apply excessive force nor work in a hurry.
The retainers shall be zinc plated.
Set the accurate direction of the antenna with the transit when setting up antenna
support and its installation direction.
Select the location where radiating or receiving the radio wave from the antenna is not
disturbed by neighboring buildings or other topographical features or where bad
influences can be excluded.
Select the location where the antenna is electrically isolated enough from spurious
wave or high voltage cable that may block the radio wave radiation or reception.
Load generated by the Antenna must be evenly distributed on the steel tower. It must
be also applied on the main material of the steel tower.
Each Antenna supporting bar must be fixed under the safety angle (60˚) of lighting rod.
3.3.7.2 Installing Antenna
Fix the Antenna firmly to stand against external impact and wind.
For isolation, FRP (Φ62x2900) shall be used as the Antenna fixing bar.
The Antenna shall be installed at a distance of minimum 1.5m from the Donor Antenna
and the Distributor Antenna.
Fix the Donor and Distributor antenna-fixing bar (FRP) onto at least 3 spots on the steel
tower with the U- Bolt