D = p " g 4 – Motorola Canopy FSK and OFDM radios PTP 100 (FSK) User Manual
Page 53
Release 11.0
Release Notes and User Guide Supplement
Issue 1, March 2011
Page
53
Rearranging terms to solve for distance yields
!
d =
P " G
4
#
S
Table 18
shows calculated minimum separation distances d, recommended distances and
resulting power compliance margins for each frequency band and antenna combination.
Table 18: Calculated exposure distances and power compliance margins
Variable
Band
Antenna
P
G
S
d
(calcu-
lated)
Recom-
mended
Separation
Distance
Power
Compliance
Margin
integrated
0.25 W
(24 dBm)
15.8
(12 dB)
6 W/m
2
23 cm
80 cm
(32 in)
12
external Yagi
0.063 W
(18 dBm)
50.1
(17 dB)
6 W/m
2
20 cm
80 cm
(32 in)
15
external flat panel
0.39 W
(26 dBm)
10.0
(10 dB)
6 W/m
2
23 cm
80 cm
(32 in)
12
900 MHz
FSK
indoor, integrated
Simulation model used to estimate Specific
Absorption Rate (SAR) levels
10 cm
(4 in)
2
integrated
0.34 W
(25 dBm)
6.3
(8 dB)
10
W/m
2
13 cm
20 cm
(8 in)
2.3
2.4 GHz
FSK
integrated
plus reflector
0.34 W
(25 dBm)
79.4
(19 dB)
10
W/m
2
46 cm
1.5 m
(5 ft)
10
integrated
0.2 W
(23 dBm)
5.0
(7 dB)
10
W/m
2
9 cm
20 cm
(8 in)
5
integrated plus
reflector
0.0032
W
(5 dBm)
316
(25 dB)
10
W/m
2
9 cm
1.5 m
(5 ft)
279
5.2 GHz
FSK
integrated plus
LENS
0.025 W
(14 dBm)
40
(16 dB)
10
W/m
2
9 cm
50 cm
(12 in)
31
integrated
0.2 W
(23 dBm)
5.0
(7 dB)
10
W/m
2
9 cm
20 cm
(8 in)
5
integrated plus
reflector
0.0032
W
(5 dBm)
316
(25 dB)
10
W/m
2
9 cm
1.5 m
(5 ft)
279
5.4 GHz
FSK
integrated plus
LENS
0.020 W
(13 dBm)
50
(17 dB)
10
W/m
2
9 cm
50 cm
(12 in)
31
Integrated
0.2 W
(23 dBm)
5.0
(7 dB)
10
W/m
2
9 cm
20 cm
(8 in)
5
integrated plus
reflector
0.2 W
(23 dBm)
316
(25 dB)
10
W/m
2
71 cm
1.5 m
(5 ft)
4.5
5.7 GHz
FSK
Integrated plus
LENS
0.2 W
(23 dBm)
50
(17 dB)
1
W/m
2
28 cm
50 cm
(20 in)
3.13