
Rated maximum output
power of transmitter
W
Separation distance according
to frequency of transmitter
M
150 kHz to 80 MHz
d =1,2√P
80 MHz to 800 MHz
d =1,2√P
800 MHz to 2,5 GHz
d =2,3√P
The TTcare 100+ is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customer or the user of the TTcare 100+ can help prevent
electromagnetic interference by maintaining a minimum distance between portable and mobile RF
communications equipment (transmitters) and the TTcare 100+ as recommended below, according
to the maximum output power of the communications equipment.
Recommended separation distance between
portable and mobile RF communications equipment and the TTcare 100+
0.01
0.1
1
10
100
0.02
0.38
1.2
3.8
12
0.12
0.38
1.2
3.8
12
0.23
0.73
2.3
7.3
23
For transmitters rated at a maximum output power not listed above, the recommended separation
distance d in metres (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.
72
■
Note1:
At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
■
Note2:
These guidelines may not apply in all situations. Electromagnetic propagation is affected
by absorption and reflection from structures, objects and people.