DJO Global X4 Руководство по эксплуатации - Страница 18

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T E C H N I C A L S P E C I F I C A T I O N S

Recommended Separation Distances between Portable and Mobile RF

Communications Equipment and the X4 Knee Brace Sensor

The X4

Knee Brace Sensor is intended for use in an electromagnetic

environment in which radiated RF disturbances are controlled. The

customer or the user of the X4 Knee Brace Sensor can help prevent

electromagnetic interference by maintaining a minimum distance between

portable and mobile RF communications equipment (transmitters) and the

X4 Knee Brace Sensor as recommended below, according to the maximum

output power of the communications equipment.

Rated maximum

output power

of transmitter

(Watts)

0.01

0.1

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 1: At 80 MHz and 800 MHz, the separation distance for the higher

frequency range applies.

NOTE 2: 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 (Meters)

150 KHz to

80 MHz

d = 1.2 √P

0.12

0.38

1.2

3.8

80 MHz to

800 MHz

d = 0.35 √P

0.03

0.11

0.35

1.1

3.5

800 MHz to

2.5 GHz

d = 0.7 √P

0.07

0.22

0.7

2.2