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61280004L2-1C
Section 2 Installation
Path Loss
The free space path loss is given by
A tabulation of various path loss is given below.
2.4 GHz
Link Distance Path Loss
(in miles)
(in dB)
1 ................. 104
2 ................. 110
3 ................. 114
4 ................. 116
5 ................. 118
6 ................. 120
7 ................. 121
8 ................. 122
9 ................. 123
10 ................ 124
11 ................ 125
12 ................ 126
Path Availability
The availability of a path can be expressed by:
availability = (1 - C x T x 2.5 x 10
Climate factors are given below.
Terrain factors are listed below.
16
Loss(dB) = 96.6 + 20 log
where D is distance in kilometers
f is operating frequency in GHz
2.4 GHz
Link Distance Path Loss
(in miles)
(in dB)
13 ................ 126
14 ................ 127
15 ................ 128
16 ................ 128
17 ................ 129
18 ................ 129
19 ................ 129
20 ................ 130
21 ................ 130
22 ................ 131
23 ................ 131
24 ................ 132
-6
x f x (D x 1.609344)
where C is the climate factor
T is the terrain factor
f is the frequency in GHz
D is the path length in kilometers
F is the fade margin in dB
Climate
Very Dry .............................................................
Temperate ...........................................................
Humid .................................................................
Terrain
Smooth ................................................................ 4
Average ............................................................... 1
Mountainous ......................................................
f + 20log
D * 1.609344
10
10
5.8 GHz
Link Distance Path Loss
(in miles)
(in dB)
1 ................ 112
2 ................ 118
3 ................ 121
4 ................ 124
5 ................ 126
6 ................ 127
7 ................ 129
8 ................ 130
9 ................ 131
10 ............... 132
11 ............... 133
12 ............... 133
x 10-( F / 10 )) x 100%
3
Climate
Factor
1
/
8
1
/
4
1
/
2
Terrain
Factor
1
/
4
5.8 GHz
Link Distance Path Loss
(in miles)
(in dB)
13 ............... 134
14 ............... 135
15 ............... 135
16 ............... 136
17 ............... 136
18 ............... 137
19 ............... 137
20 ............... 138
21 ............... 138
22 ............... 139
23 ............... 139
24 ............... 139
TRACER 2 x E1 User's Manual
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