User Guide

FCC §15.247 (i), §2.1091 – RF Exposure
FCC ID: 2A6UD-W75A1
Applied procedures / limit
According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this
section shall be operated in a manner that ensures that the public is not exposed to radio
frequency energy level in excess of the Commission’s guidelines.
Limits for Occupational / Controlled Exposure
Frequency
Range (MHz)
Electric Field
Strength (E)
(V/m)
Magnetic Field
Strength (H)
(A/m)
Power Density (S)
(mW/ cm
2
)
Averaging Time
|E|
2
,|H|
2
or S
(minutes)
0.3-3.0
614
1.63
(100)*
6
3.0-30
1842 / f
4.89 / f
(900 / f)*
6
30-300
61.4
0.163
1.0
6
300-1500
F/300
6
1500-100,000
5
6
Note: ƒ is frequency in MHz
* = Power density limit is applicable at frequencies greater than 100 MHz
Limits for General Population / Uncontrolled Exposure
Frequency
Range (MHz)
Electric Field
Strength (E)
(V/m)
Magnetic Field
Strength (H)
(A/m)
Power Density (S)
(mW/ cm
2
)
Averaging Time
|E|
2
,|H|
2
or S
(minutes)
0.3-1.34
614
1.63
(100)*
30
1.34-30
824/f
2.19/f
(180/f)*
30
30-300
27.5
0.073
0.2
30
300-1500
F/1500
30
1500-100,000
1.0
30
Note: f = frequency in MHz
* = Plane-wave equivalent power density