Installation Manual – Antenna & Feeder System Installation
BTS3802C & RRU
Chapter 2
Installing RF Antenna & Feeder System
2-12
9) The base of the antenna support at the roof, the anchor of the stiffener as well as
the expansion bolts used for their connection with the floor shall be covered with
concrete for protection.
Note:
Generally, there is no lightening rod on the support to be installed with omnidirectional antennas. The
lightning rod shall be installed on a separate support.
2.5.5 Installing the antenna support onto the roof with wall
If the roof is enclosed with walls, it is not easy to install the antenna support onto the
surface of the roof. In this case, the antenna support can be installed on the wall.
Figure 2-11 shows how to mount the fixing clip of the antenna support onto the wall.
(1)
(2)
(3)
(4)
(5)
(1) Expansion bolt M12×120
(2) V connecting piece
(3) 180° connecting piece
(4) Bolt M12×140
(5) Fixing plate
Figure 2-11
Installing the fixing clip of the antenna support onto the wall
When the wall is no shorter than 1200 mm, both fixing points of the support can be
fixed onto the wall using expansion bolts, as shown in Figure 2-12.