Cabletron Systems RoamAbout 802.11 Supplementary Manual - page 13
Manual is about: Outdoor Antenna Site Preparation Guide
of
24
Site Preparation Guide
7
Figure 4: Fresnel Zone
Refer to the following table to determine the minimum clearance required for your
installation as defined by the distance between the antennas.
Distance Between Antennas (1)
Minimum Clearance Required (2)
kilometers
(miles)
meters
(feet)
2.1 (1.3)
5.8 (19.1)
3.5 (2.2)
7.8 (25.7)
6.5 (4.0)
11.1 (36.5)
9.6 (6.0)
14.4 (47.4)
2844-01-03A
1
2
R
o
a
m
A
b
ou
t
1
2
R
o
a
m
A
b
ou
t
Cable
Length
A
Cable
Length
B