Installation Manual – Antenna & Feeder System Installation
BTS3802C & RRU 
Chapter 2 
Installing RF Antenna & Feeder System
 
2-6 
3
0
°
3
0
°
(1)
(2)
(3)
(3)
(3)
 
(1) Lightning rod  (2) Mast for the lightning rod  (3) Antenna 
Figure 2-5 Installation of the lightning rod 
z  Make sure that the antenna support is installed in the correct direction to 
guarantee the Rx & Tx performances and direction adjustment of the directional 
antenna. 
z  If possible, install hanging devices to strengthen the antenna support and to 
avoid possible deformation in the future. 
z  The dwang shall be reinforced using a stiffener. The lengths of expansion link 
and the dwang shall satisfy the actual need. The cross section shall be sealed by 
soldering with a plate for waterproof purpose. 
z  Confirm the reliability of all soldering joints. There shall be no dry joint or open 
solder point. The support shall be coated with the antirust aluminum paint and 
preferably made of galvanized steel. 
2.4.3  Installation Flow 
The installation flow is shown in Figure 2-6.