Omron BP653 Instruction Manual page 39

GUIDANCE AND MANUFACTURER'S DECLARATION
(Table 6)
Recommended separation distance between portable and mobile RF
communications equipment and the OMRON BPM
OMRON BPM is intended for use in an electromagnetic environment in which
radiated RF disturbances are controlled. The customer or the user of this
OMRON BPM can help prevent electromagnetic interference by maintaining a
minimum distance between portable and mobile RF communications
equipment (transmitters) and the OMRON BPM as recommended below,
according to the maximum output power of the communications equipment.
Output Power of
Transmitter in
Watt
0.01
0.1
1
10
100
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: At 80 MHz and 800 MHz, the separation distance for the higher frequency
range applies
Note: These guidelines may not apply in all situations. Electromagnetic
propagation is affected by absorption and reflection from structures,
objects, and people.
Separation distance according to frequency of
transmitter in meter
150 kHz to 80 MHz
Not Applicable.
Not Applicable.
Not Applicable.
Not Applicable.
Not Applicable.
Not Applicable.
80 MHz to 800 MHz
d = 1.2 √P
0.12
0.38
1.2
3.8
12
39
800 MHz to 2.5 GHz
d = 2.3 √P
0.23
0.73
2.3
7.3
23