User's Manual
Table Of Contents
- GigAccess™ OFDM 700
- Installation and Operation Instructions
- TABLE OF CONTENTS
- TABLE OF TABLES
- Table ý4˚1: Integrated (or external) Antennas for GigAccess™ OFDM 700 24
- Introduction
- Installation
- GigAccess™ OFDM 700 Technical Specifications
- Appendix A – WaveIP Approved Antennas
- Appendix B – RF Link Budget Calculation
- Appendix C – RF Power and Distance versus Antenna Gain
- Appendix D – RF Hazard Distance Calculation
- Appendix E – RF Channel List
- Appendix F – Outdoor Cables Scheme
- Appendix G - Using the Unit Manager Tool
WaveIP Ltd. GigAccess™ OFDM 700
Pa
g
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7
7
.
.
A
A
p
p
p
p
e
e
n
n
d
d
i
i
x
x
D
D
–
–
R
R
F
F
H
H
a
a
z
z
a
a
r
r
d
d
D
D
i
i
s
s
t
t
a
a
n
n
c
c
e
e
C
C
a
a
l
l
c
c
u
u
l
l
a
a
t
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n
n
The Power density is given by:
(1)
2
4
R
GP
S
××
×
=
π
Therefore:
(2)
S
GP
R
××
×
=
π
4
Where:
S = Power Density = 0.466 [mW/cm
2
] - power density limit for general population /
uncontrolled exposure at 700 MHz.
P
= Power input to the antenna [mW].
G = Antenna Gain in the direction of interest [In numeric format].
R
= Distance to the center of radiation antenna [cm].
(3)
mWdBm
PP log10×=
Therefore:
(4)
10
10
dBm
P
mW
P =
The hazard distances versus antenna gain are listed in the following table:
Antenna Gain TX power EIRP Safe Distance
[dBi] [Numeric] [dBm] [mW] [dBm] [mW] [cm]
8.5 7 30.5 1122 39 7943 36.8
11 12.6 30.5 1122 41.5 14125 49.1
Table 7-1: Hazard Distance
All outdoor units must be installed with a separation distance of at least 2 meters
from all persons during normal operation.