a F
�
el
d
strengt
h
s from f
�x
e
d
transm
�
tters
,
s
uch
as base stat
�
ons for ra
d�
o (
c
ell
u
lar/
c
or
d
less) tele
ph
ones an
d
lan
d
mob
�
le ra
d�
os
,
amate
u
r ra
d�
o
,
A
M
an
d
F
M
ra
d�
o broa
dc
ast an
d
TV broa
dc
ast
c
annot be
p
re
d�c
te
d
t
h
eoret
�c
all
y
w�
t
h
a
ccu
ra
cy
. To assess t
h
e ele
c
tromagnet
�c
en
v�
ronment
du
e to f
�x
e
d
RF transm
�
tters
,
an ele
c
tromagnet
�c
s
�
te
s
u
r
v
e
y
s
h
o
u
l
d
be
c
ons
�d
ere
d
.
I
f t
h
e meas
u
re
d
f
�
el
d
strengt
h
�
n t
h
e lo
c
at
�
on
�
n
wh�ch
t
h
e
�
s
u
se
d
e
xc
ee
d
s t
h
e
a
pp
l
�c
able RF
c
om
p
l
�
an
c
e le
v
el abo
v
e
,
t
h
e
s
h
o
u
l
d
be obser
v
e
d
to
v
er
�
f
y
normal o
p
erat
�
on.
I
f abnormal
p
erforman
c
e
�
s obser
v
e
d,
a
dd�
t
�
onal meas
u
res ma
y
be ne
c
essar
y,
s
uch
as re
-
or
�
ent
�
ng or relo
c
at
�
ng t
h
e
.
b O
v
er t
h
e fre
qu
en
cy
range 150 kH
z
to 80
M
H
z,
f
�
el
d
strengt
h
s s
h
o
u
l
d
be less t
h
an 3 V/m.
Recommended separat
�
on d
�
stances between
portable and mob
�
le RF commun
�
cat
�
ons equ
�
pment and the
.
T
h
e
�
s
�
nten
d
e
d
for
u
se
�
n an ele
c
tromagnet
�c
en
v�
ronment
�
n
wh�ch
ra
d�
ate
d
RF
d�
st
u
rban
c
es are
c
ontrolle
d
. T
h
e
cu
stomer or t
h
e
u
ser of t
h
e
c
an
h
el
p
p
re
v
ent ele
c
tromagnet
�c
�
nterferen
c
e b
y
ma
�
nta
�
n
�
ng a m
�
n
�
m
u
m
d�
stan
c
e
bet
w
een
p
ortable an
d
mob
�
le RF
c
omm
u
n
�c
at
�
ons e
qu�p
ment (transm
�
tters) an
d
t
h
e
as re
c
ommen
d
e
d
belo
w,
a
cc
or
d�
ng to t
h
e ma
x�
m
u
m o
u
t
pu
t
p
o
w
er of t
h
e
c
omm
u
n
�c
at
�
ons e
qu�p
ment.
Separat
�
on d
�
stance accord
�
ng to frequency of transm
�
tter
(m)
Rated max
�
mum output
power of transm
�
tter
(W)
150 KHz to 80 MHz
80 MHz to 800 MHz
800 MHz to 2.5 GHz
0.01
0.12
0.12
0.23
0.1
0.38
0.38
0.73
1
1.2
1.2
2.3
10
3.8
3.8
7.3
100
12
12
23
For transm
�
tters rate
d
at a ma
x�
m
u
m o
u
t
pu
t
p
o
w
er not l
�
ste
d
abo
v
e
,
t
h
e re
c
ommen
d
e
d
se
p
arat
�
on
d�
stan
c
e
d
�
n
metres (m)
c
an be est
�
mate
d
u
s
�
ng t
h
e e
qu
at
�
on a
pp
l
�c
able to t
h
e fre
qu
en
cy
of t
h
e transm
�
tter
,
wh
ere
P
�
s t
h
e
ma
x�
m
u
m o
u
t
pu
t
p
o
w
er rat
�
ng of t
h
e transm
�
tter
�
n
w
atts (W) a
cc
or
d�
ng to t
h
e transm
�
tter man
u
fa
c
t
u
rer.
NOT
E
1 At 80
M
H
z
an
d
800
M
H
z,
t
h
e se
p
arat
�
on
d�
stan
c
e for t
h
e
h�
g
h
er fre
qu
en
cy
range a
pp
l
�
es.
NOT
E
2 T
h
ese g
u�d
el
�
nes ma
y
not a
pp
l
y
�
n all s
�
t
u
at
�
ons.
E
le
c
tromagnet
�c
p
ro
p
agat
�
on
�
s affe
c
te
d
b
y
absor
p
t
�
on
refle
c
t
�
on from str
uc
t
u
res
,
ob
j
e
c
ts an
d
p
eo
p
le.
an
d
17
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