iHealth KD-557BT Panduan Pemilik - Halaman 17

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such as re-orienting or relocating the KD-557BT.

b Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.

For ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING

portable and mobile RF communications equipment and the KD-557BT

The KD-557BT is intended for use in an electromagnetic environment in which radiated RF disturbances

are controlled. The customer or the user of the KD-557BT can help prevent electromagnetic interference

by maintaining a minimum distance between portable and mobile RF communications equipment

(transmitters) and the KD-557BT as recommended below, according to the maximum output power of the

communications equipment.

Rated maximum

output

power of

150 kHz to 80 MHz

transmitter

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 determined 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.

Table 4

Recommended separation distances between

Separation distance according to frequency of transmitter

80 MHz to 800 MHz



2 .

0.12

0.38

1.2

3.8

第 16 页共 16 页



2 .

0.12

0.38

1.2

3.8

800 MHz to 2,5 GHz



3 .

0.23

0.73

2.3

7.3