19
Recommended separation distances between portable and mobile RF
communications equipment and the Biomet
®
OrthoPak
®
Non-invasive
Bone Growth Stimulator System
The Biomet
®
OrthoPak
®
Non-invasive Bone Growth Stimulator System is intended for use in an
electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user
of the Biomet
®
OrthoPak
®
Non-invasive Bone Growth Stimulator System can help prevent electromagnetic
interference by maintaining a minimum distance between portable and mobile communications equipment
(transmitters) and the Biomet
®
OrthoPak
®
Non-invasive Bone Growth Stimulator System as recommended
below, according to the maximum power output of the communications equipment.
Rated maximum output
power of transmitter
W
Separation distance (meters) according to
frequency of transmitter
150 kHz to 80
MHz
d = 3.5 √ P
80 MHz to 800
MHz
d = 3.5 √ P
800 MHz to 2.5
GHz
d = 7 √ P
0.01
.35
.35
.7
0.1
1.1
1.1
2.21
1
3.5
3.5
7
10
11.06
11.06
22.13
100
35
35
70
For transmitters rated at a maximum output power not listed above, the recommended separation
distance (d) in meters (m) can be estimated using the equation applicable to the frequency of the
transmitter, where P is the maximum output power rating of the transmitter in watts (W) according to
the transmitter manufacturer.
NOTE 1. At 80 MHz and 800 MHz, the separation distance for the higher frequency applies.
NOTE 2. These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and reflection from structures, objects, and people.
Table 4
