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User manual, WOP-12ac 13
3.2
Installation recommendations
1.
Recommended location for device installation: fix on a pole/pillar or wall.
2.
Before you install and enable device check the device for visible mechanical defects. If
defects are observed you should stop the device installation and draw up corresponding
act.
3.
During the device installation to provide Wi-Fi coverage area with the best characteristics
take into account the following rules:
a.
Install the device at the center of wireless network;
b.
Minimize the number of obstacles (walls, roof, furniture and etc.) between WOP-
12ac and other wireless network devices;
c.
Do not install the device near (about 2 m) electrical and radio devices;
d.
It is not recommended to use radiophone and other equipment operating on the
frequency of 2.4 GHz, 5 GHz in Wi-Fi effective radius;
e.
Obstacles in the form of glass/metal constructions, brick/concrete walls, water
cans and mirrors can significantly reduce Wi-Fi action radius.
4.
During the installation of several access points, cell action radius must overlap with action
radius of a neighboring cell at level of -65 ÷ -70 dBm. Increasing this level is allowed up to
-75 dBm if it involves the use of VoIP, streaming video and other traffic that is sensitive to
losses in wireless network.
3.3
Calculating the number of required access points
Table 3.1 describes rough attenuation values.
Table 3.1 – Attenuation values
Material
Change of signal level, dB
2.4 GHz
5 GHz
Organic glass
-0,3
-0,9
Brick
-4,5
-14,6
Glass
-0,5
-1,7
Plaster slab
-0,5
-0,8
Wood laminated plastic
-1,6
-1,9
Plywood
-1,9
-1,8
Plaster with wirecloth
-14,8
-13,2
Breezeblock
-7
-11
Metal lattice (mesh 13*6 mm, metal 2mm)
-21
-13
3.4
Channel selection for neighboring access points
It is recommended to set nonoverlapping channels to avoid interchannel interference between
neighboring access points.
