3 Installation
ID No: 7164491 Page 25
3.2.4. Connection of the Antenna Cables
The Node G’s antenna connectors are 7/16 female (optionally equipped with an N
female adapter). All connectors are located at the bottom of the cabinet. An operator
should refer to the documentation of the cable connector manufacturer for best
mating procedures. Furthermore, the bending radius of the antenna cables should be
maintained at all times.
There are several issues to be considered when selecting the cable and antenna
types.
• Highly directional antennas with good front-back-ratios (40 dB is typical) are
recommended because they improve isolation and cell site selectivity.
• Smaller diameter cables are less expensive and easier to install but have
worse performance.
Tighten the 7/16 or N connectors ONLY by hand. The use of pliers may cause
damage to the connector and impair the performance of the Node G.
figure 3-10 Front view of antenna connections from Node G 930 / 938
figure 3-11 Front view of antenna connections from Extension Unit
Coverage antenna
(to mobile)
Donor antenna
(to base station)
BTS Mobile
Mobile 2
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